Question 38
Question 38 of 40
Question image for Q38
Periodic Table
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No letter options?
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
Topics Tested
11. Organic chemistry
11.1. Formulae, functional groups a...

State that an unsaturated compound has molecules in which one or more carbon–carbon bonds are not single bonds

3. Stoichiometry
3.1. Formulae

Define the molecular formula of a compound as the number and type of different atoms in one molecule

11. Organic chemistry
11.2. Naming organic compounds

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