O Level Chemistry Paper 2 by readandwrite.marketing

Article No. 226

5070 Paper-2 (Topical Workbook with Mark Scheme) (2010-2018)

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All Variants Classified to Subtopics Mark schemes included Questions order new to old

Editorial Board: o Zafar Iqbal (Beaconhouse, LGS, KIMS, Roots) o Umar Zaman Khattak (GACS) o Rasheed Ahmed (BDC) o Niaz Hussain (LGS) o Hafiz Farooq (KIMS) o Shahzad Zia (GHA)

o Shehbaz Ahmad (LGS, Beaconhouse) o Niaz Ahmed Awan (Beaconhouse, LACAS, SICAS, KIMS) o Tanvir Gill (BDC, City School) o Mubashar Sulehri (LGS, Bloomfield Hall, Roots) o Shahzad Khokhar (BDC)

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Title

Chemistry O-Level Paper-2 Workbook (Article# 226)

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CONTENTS UNIT 1 1.1

1.2

1.3

1.4 UNIT 2 2.1

2.2

2.3

2.4

2.5

2.6

2.7

UNIT 3 3.1 3.2 3.3

Experimental chemistry ------------------------------------------------------------------------------Experimental design (Section-A) ---------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Methods of purification and analysis (Section-A) -------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Methods of purification and analysis (Section-B) -------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Identification of ions and gases (Section-A) --------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Identification of ions and gases (Section-B) --------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

5 5 6 7 11 12 13 14 23 26 32 34 35

The particulate nature of matter --------------------------------------------------------------------Kinetic particle theory (Section-A) --------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Kinetic particle theory (Section-B) --------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Atomic structure (Section-A) --------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Atomic structure (Section-B) --------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Structure and properties of materials (Section-A) ------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Structure and properties of materials (Section-B) ------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Ionic bonding (Section-A) -------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Ionic bonding (Section-B) -------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Covalent bonding (Section-A) --------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Covalent bonding (Section-B) --------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Metallic bonding (Section-A) ---------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Metallic bonding (Section-B) ---------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics(Section-A) ------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

36 36 42 44 46 47 54 58 60 61 62 63 64 65 69 71 76 78 91 96 102 104 106 107 109 110 111 112 113

Formulae, stoichiometry and the mole concept ----------------------------------------------Chemical formulas (Section-B) ------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Calculation of AR or MR (Section-B) -----------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Stoichiometry (Section-A) -------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Stoichiometry (Section-B) --------------------------------------------------------------------------------

114 114 119 121 122 123 146 154

3.4

UNIT 4 4.1

4.2

4.3

UNIT 5 5.1

5.2

5.3

UNIT 6 6.1

6.2

6.3

6.4 UNIT 7 7.1

Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

178 185 187 188 189

Electrolysis ------------------------------------------------------------------------------------------------Electrolysis of binary compounds (Section-A) -----------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Electrolysis of binary compounds (Section-B) -----------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Simple cells (Section-A) ---------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Simple cells (Section-B) ---------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

190 190 195 197 204 207 208 209 210 211 214 215 217

Energy form chemicals ------------------------------------------------------------------------------Definition of exo & endothermic reactions (Section-A) ------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Definition of exo & endothermic reactions (Section-B) ------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Fractional distillation of crude oil & photosynthesis (Section-A) -------------------------------Answers Section (A) ---------------------------------------------------------------------------------Fractional distillation of crude oil & photosynthesis (Section-B) -------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

218 218 222 224 230 232 234 235 236 237 238 239 240

Chemical reactions -------------------------------------------------------------------------------------Rate of reaction (Section-A) ----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Rate of reaction (Section-B) ----------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Redox (Section-A) ----------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Redox (Section-B) ----------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Reversible reactions (Section-A) ----------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Reversible reactions (Section-B) ----------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

241 241 251 254 265 268 275 277 281 282 284 285 298 302 303

The chemistry and uses of acids, bases and salts ------------------------------------------The characteristic properties of acids and bases (Section-A) ---------------------------------Answers Section (A) ---------------------------------------------------------------------------------The characteristic properties of acids and bases (Section-B) ---------------------------------Answers Section (B) ----------------------------------------------------------------------------------

304 304 312 315 322

7.2

7.3

7.4

7.5

7.6

7.7

UNIT 8 8.1

8.2

8.3

8.4

UNIT 9 9.1

9.2

9.3 9.4

PH (Section-A) ---------------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Nature of oxide or classification of oxide (Section-A) -------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Nature of oxide or classification of oxide (Section-B) --------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Preparation of salts (Section-A) -----------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Preparation of salts (Section-B) -----------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Properties and uses of ammonia (Section-A) ------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Properties and uses of ammonia (Section-B) ------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Sulfuric acid (Section-A) ---------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Sulfuric acid (Section-B) ---------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

325 326 327 330 331 332 333 337 339 344 346 347 348 351 353 356 357 359 360 363 364 366

The Periodic Table --------------------------------------------------------------------------------------Periodic trends (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Periodic trends (Section-B) -----------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Group properties (Section-A) --------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Group Properties (Section-B) --------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Transition elements (Section-A) -----------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Transition elements (Section-B) -----------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

367 367 370 372 373 374 378 380 383 384 385 386 388 389 390 391 393

Metals -------------------------------------------------------------------------------------------------------Properties of metals (Section-A) ----------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Properties of metals (Section-B) ----------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Reactivity series (Section-A) ---------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Reactivity series (Section-B) ---------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Extraction of metals (Section-A) ----------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Extraction of metals (Section-B) -----------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Iron (Section-A) ---------------------------------------------------------------------------------------------

394 394 399 401 405 406 411 413 415 416 417 418 419 420

9.5

9.6

UNIT 10 10.1

10.2

10.3

UNIT 11 11.1

11.2

11.3

11.4

11.5

11.6

UNIT 12 12

Answers Section (A) ---------------------------------------------------------------------------------Iron (Section-B) --------------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Aluminum (Section-A) -----------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Aluminum (Section-B) ------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

422 423 424 425 427 428 430 431 434 435 438

Atmosphere and environment ----------------------------------------------------------------------Air (Section-A) ---------------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Air (Section-B) ---------------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Water (Section-A) -----------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Water (Section-B) -----------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

440 440 449 452 454 456 459 460 461 462 463 464 466

Organic chemistry --------------------------------------------------------------------------------------Alkanes (Section-A) --------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Alkanes (Section-B) --------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Alkenes (Section-A) --------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Alkenes (Section-B) --------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Alcohols (Section-A) --------------------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Alcohols (Section-B) --------------------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Carboxylic acids (Section-A) ---------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Carboxylic acids (Section-B) ---------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Macromolecules (Section-A) ---------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Macromolecules (Section-B) ---------------------------------------------------------------------------Answers Section (B) ---------------------------------------------------------------------------------Multiple Topics (Section-A) -----------------------------------------------------------------------------Answers Section (A) ---------------------------------------------------------------------------------Multiple Topics (Section-B) -----------------------------------------------------------------------------Answers Section (B) ----------------------------------------------------------------------------------

467 467 472 474 484 488 493 496 507 510 515 518 524 527 534 537 548 552 559 562 571 574 576 577 581

Others -------------------------------------------------------------------------------------------------------Others (Section-A) ----------------------------------------------------------------------------------------Answers Section (A) ----------------------------------------------------------------------------------

582 582 595

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