$CH_3-C \equiv C-CH_3 \xrightarrow{(i) X, (ii) H_2O/Zn} CH_3-CO-CO-CH_3$. $X$ in the above reaction is:

The number of structural isomers of alkyne possible for the molecular formula $C_6H_{10}$ are

Oxidation of propyne with $SeO_2$ gives ....

What are $X$ and $Y$ respectively in the following reaction?
$Z$-product $\stackrel{Y}{\longleftarrow} 2$-butyne $\stackrel{X}{\longrightarrow} E$-product

What type of bonds are formed between two carbon atoms in acetylene?

$1, 2$-Dibromopropane on treatment with $X$ moles of $NaNH_2$ followed by reaction with ethyl bromide gives $2$-pentyne. The value of $X$ is: