CSEC Chemistry · May/June 2011 · Paper 1 · Question Q49
Which of the following pairs of structural formulae are isomers of \text{C}_4\text{H}_{10}?
I. \text{H}_3\text{C}-\text{CH}_2-\text{CH}_2-\text{CH}_3
II. \begin{array}{c} \text{H}_3\text{C}-\text{CH}-\text{CH}_3 \\ | \\ \text{CH}_3 \end{array}
III. \begin{array}{c} \text{H}_3\text{C}-\text{CH}_2-\text{CH}_3 \\ | \\ \text{CH}_3 \end{array}
IV. \begin{array}{c} \text{H}_3\text{C}-\text{CH}_2-\text{CH}_2 \\ | \\ \text{CH}_3 \end{array}
- (A)I and II only
- (B)I and III only
- (C)II and IV only
- (D)III and IV only
The answer is shown once you've answered.
Practise this question