Cyclohexanol is a

Which of the following will not react with $NaOH$?

Identify the major product of the following reaction:
($1$-hydroxycyclopentyl)methyl bromide + $aq. AgNO_3$ $\rightarrow$ ?

An organic compound $X$ on treatment with $PCC$ in dichloromethane gives the compound $Y$. Compound $Y$ reacts with $I_{2}$ and alkali to form a yellow precipitate of triiodomethane. The compound $X$ is

The major product formed in the following reaction: $CH_3CH(Cl)CH_2CH_2OH \xrightarrow{Aq. KOH}$ is

Which of the following will not give the iodoform test?