MCQ
$\text{H}-\text{C}\equiv\text{C}-\text{H}\xrightarrow[(\text{ii})\ \text{CH}_3\text{CH}_2\text{Br}]{(\text{i})\ \text{NaNH}_2/\text{liq NH}_3}\text{X}\xrightarrow[(\text{ii})\ \text{CH}_3\text{CH}_2\text{Br}]{(\text{i})\ \text{NaNH}_2/\text{liq NH}_3}\text{Y}$
- A$X$ is $2-$ butyne $Y$ is $2$ hexyne.
- B$X$ is $1-$ butyne, $Y$ is $2-$ hexyne.
- ✓$X$ is $1-$ butyne $Y$ is $3-$ hexyne.
- D$X$ is $2-$ butyne, $Y$ is $3-$ hexyne.
