The major product formed in the following reaction: $CH_3CH(Cl)CH_2CH_2OH \xrightarrow{Aq. KOH}$ is

What will be $A$,$B$,$C$,and $D$ in the following reaction sequence?
Cyclohexanol $\xrightarrow[H_2SO_4]{CrO_3} A$ $\xrightarrow[(ii) H_3O^+]{(i) CH_3MgI} B$ $\xrightarrow{\Delta, H_2SO_4} C$ $\xrightarrow[(ii) H_2O_2, NaOH]{(i) (BH_3)_2} D$

For the following reaction,select the statement that best describes the change.
$RCH_2OH + PCC [ C_5H_5NH^{+} ClCrO_3^- ] \to$

Identify the major product formed when $2-$Methylhexan$-3-$ol is heated with concentrated sulphuric acid.

How many structural isomers of alcohols with the formula $C_4H_9OH$ are possible if all the carbons are in a straight chain?

In order to make alcohol undrinkable,pyridine and methanol are added to it. The resulting alcohol is called: