Question

Which of the following compound will undergo racemisation when reacts with aq. KOH?

(i)

(ii)

CH₃CH₂CH₂Cl

(iii)

\[\begin{array}{cc}
\ce{CH3}\phantom{..}\\
|\phantom{....}\\
\ce{CH3-CH-CH2Cl}
\end{array}\]

(iv)

\[\begin{array}{cc}
\phantom{..}\ce{H}\\
\phantom{..}|\\
\ce{CH3-C-Cl}\\
\phantom{..}|\\
\phantom{.....}\ce{C2H5}
\end{array}\]

Options

• (i) and (ii)

• (ii) and (iv)

• (iii) and (iv)

• (iv)

Answer 1

(iv)

Explanation:

Since it has a chiral ‘C’ atom, others do not have.