Question

A regent that can form a hydrocarbon with Grignard reagent is:

• A. ${\text{HCOOC}}_{\text{2}}{\text{H}}_{\text{2}}$
• B. ${\text{C}}_{\text{6}}{H}_{5}N{H}_2$
• C. ${\text{CH}}_{\text{3}}{\text{COCH}}_{\text{2}}$
• D. ${\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{COC}}_{\text{6}}{\text{H}}_{\text{5}}$

Answer 1

The correct option is B ${\text{C}}_{\text{6}}{H}_{5}N{H}_2$

$\text{Grignard Reagent -}$

$\begin{array}{c}R-X+Mg\to R-X^{-}+\dot{M}{g}^{+}\\ R-X^{-}⟶\dot{R}+X^{-}\\ \dot{R}+\dot{M}{g}^{+}\to R-M{g}^{+}\\ RM{g}^{+}+X^{-}⟶R-Mg-X\end{array}$

$\text{Only}{C}_6{H}_5{\dot{N}H}_2\text{is give Grignard reagent}$