Older MCQs might not have the typical A, B, C,
D
choices. They
have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such
combinations to the answer.
A
1, 2 and 3 are correct
B
1 and 2 only are correct
C
2 and 3 only are correct
D
1 only is correct
Name and draw the displayed formulae of: (a) methane and ethane (b) ethene (c) ethanol (d) ethanoic acid (e) the products of the reactions stated in sections 11.4–11.7
Describe in terms of structure and bonding the properties of simple molecular compounds: (a) low melting points and boiling points (b) poor electrical conductivity
Write and interpret general formulae of compounds in the same homologous series, limited to: (a) alkanes, (C_nH_{2n+2}) (b) alkenes, (C_nH_{2n}) (c) alcohols, (C_nH_{2n+1}OH) (d) carboxylic acids, (C_nH_{2n+1}COOH)
