Wine (alcoholic beverages) contains

Consider the following reaction sequence: $CH_3CHO$ $\xrightarrow[(ii) H_2O/H^+]{(i) CH_3MgBr} (A)$ $\xrightarrow{H_2SO_4, \Delta} (B)$ $\xrightarrow[(ii) H_2O_2/OH^-]{(i) B_2H_6} (C)$. $(A)$ and $(C)$ are

Select the best method for the preparation of the following compounds:
(Image shows a mixture of trans$-2-$methylcyclohexanol enantiomers)
($MCPBA$ = meta-chloroperoxybenzoic acid)

Which statement is not correct about alcohol?

An organic compound $(A)$ reacts with sodium metal to form $(B)$. When $(A)$ is heated with concentrated $H_2SO_4$,it produces diethyl ether. What are $(A)$ and $(B)$ respectively?

In the reaction sequence $CH_2=CH_2$ $\xrightarrow{HOCl} X$ $\xrightarrow{Y} CH_2(OH)-CH_2(OH)$,$X$ and $Y$ respectively are: