Question

Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like $Cl^{-}, Br^{-}$ and $CN^{-}$ are indroduced in benzene ring in the presence of $Cu^{+}$ ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the presence of copper powder and $HCl$
(iii) The yield in Gattermann reaction is found to be better than Sandmayer reaction

• A. $(i)$ and $(ii)$
• B. $(i), (ii)$ and $(iii)$
• C. $(ii)$ and $(iii)$
• D. $(i)$ and $(iii)$

Answer 1

Answer: (A)

The yield in Sandmayer reaction is found to be better than Gattermann reaction