Catalytic dehydrogenation of a primary alcohol gives a

Which alcohol will give immediate turbidity on shaking with $HCl$ at room temperature?

The product $\begin{array}{*{20}{c}} {CH_2 - O - COCH_3} \\ {|} \\ {CH_2 - O - COCH_3} \end{array}$ is obtained by the reaction of which of the following?

How many structural isomers of alcohols with the formula $C_4H_9OH$ are possible if all the carbons are in a straight chain?

Consider the above reaction and identify the product $P :$

Phenyl magnesium bromide reacts with methanol to give