The major product formed in the reaction is

$A$ Grignard reagent $(X)$ on reaction with a carbonyl compound $(Y)$ followed by hydrolysis gives $Z$. $Z$ reacts with conc. $HCl$ at room temperature to give immediate turbidity. $X$ and $Y$ respectively are:

The alcohol that reacts faster with Lucas reagent is

Identify the incorrect statement regarding the following reaction:
$CH_3CH_2OH + H_3O^+ \to CH_3CH_2-OH_2^+ + H_2O$

$HC \equiv CH$ $\xrightarrow[HgSO_4]{H_2SO_4} \,\,$ $\xrightarrow[HOH]{CH_3MgBr} \,\,$ $\xrightarrow{P/Br_2} (X)$; $(X)$ is

Which of the following compounds gives a positive iodoform test with $I_2$ and $NaOH$?