Glycerol is used:

Distinction between primary,secondary and tertiary alcohol is done by

Which of the following reactions is incorrect?

In the following sequence of reactions,
$CH_3CH_2CH_2Br$ $\xrightarrow{KOH(alc.)}$ $(A)$ $\xrightarrow{HBr}$ $(B)$ $\xrightarrow{KOH(aq.)}$ $(C)$
The product $(C)$ is

$A$ solution of optically active $1$-phenylethanol racemizes in acidified aqueous medium. It is due to

The major product obtained by the dehydration of the given alcohol is: