$C_6H_{13}Br + OH^{-} \to C_6H_{13}OH + Br^{-}$ is an example of

Which of the following compounds will form a precipitate most readily with $AgNO_3$?

$A$ bromoalkane $X$ reacts with magnesium in dry ether to form compound $Y$. The reaction of $Y$ with methanal followed by hydrolysis yields an alcohol having molecular formula $C_{4}H_{10}O$. The compound $X$ is

Which of the following chloro compounds has a dipole moment?

Which one of the following halogen compounds is least reactive towards hydrolysis by $S_{N}1$ mechanism?

Which is the main organic product obtained by the reaction of $2,2,2-$trichloroethanol with calcium hydroxide?