Question

Which of the following compounds will give racemic mixture on nucleophilic substitution by OH- ion?

1. \[\begin{array}{cc}\ce{CH3 - CH - CH2Br}\\
   |\phantom{....}\\\ce{C2H5}\end{array}\]
2. \[\begin{array}{cc}\ce{CH3}\\
   |\phantom{.}\\\ce{H3C - C - C2H5}\\
   |\phantom{.}\\\ce{Br}\end{array}\]
3. \[\begin{array}{cc}\ce{H}\\
   |\phantom{.}\\\ce{CH3 - C - C2H5}\\
   |\phantom{.}\\\ce{Cl}\end{array}\]

Options

• (i)

• (ii) and (iii)

• (iii)

• (i) and (ii)

Answer 1

(iii)