2 Answer all the questions. SECTION A – Module C1 1
This question is about compounds containing carbon. Look at the displayed formulas of some compounds. H
H
C
C
H
H
H
compound A
C
H
C
C
H
H
H
compound B
O
H H
H
H
H
C
O H
H compound D
H
H
C
C
H
H
O
H
compound C
H
H
H
C
C
C
H compound E
H
H
H
compound F
(a) What is the molecular formula for compound B? ..........................................
[1]
(b) Explain why compound B is a hydrocarbon but compound C is not a hydrocarbon. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... .............................................................................................................................................. [3] (c) Two compounds are unsaturated. Which two? ........................... and ...........................
[1] [Total: 5]
Š OCR 2014