What is the nature of alcohols in aqueous medium?

This conversion can be achieved by

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

How can $CH_3OH$ be distinguished from $C_2H_5OH$?

Lucas test is used to distinguish between

Which of the following statements is incorrect for alcohols?