What is action of $\text{CH}_3\text{ONa}$ on $\text{CH}_3\text{CH}_2\text{Br}$
$\text{CH}_3\text{ONa} + \text{CH}_3\text{CH}_2\text{Br} \rightarrow$ ?

Which of the following reagents limits the oxidation of $\text{R-CH}_2\text{OH}$ up to R-CHO only?

Which of the following ether, on hydrolysis, gives two different products that are successive members of the homologous series?

Identify the product X in the following reaction.