Which of the following sets of reagents convert toluene to benzaldehyde?

A. $\mathrm{Cl}_2 \mid h v ; \mathrm{H}_2 \mathrm{O}, \Delta$

B. $\mathrm{KMnO}_4 \mid \mathrm{OH}^{-} ; \mathrm{H}^{+}$

C. $\mathrm{Cl}_2 \mid \mathrm{Fe} ; \mathrm{H}_2 \mathrm{O}$

D. $\mathrm{CrO}_2 \mathrm{Cl}_{21} \mid \mathrm{CS}_2 ; \mathrm{H}_3 \mathrm{O}^{+}$

Match the following reagents with the products obtained when they reacted with a ketone.

$$ \text { Correct answer is } $$

$$ \text { Consider the reactions, } $$

$$ \text { The incorrect statement about ' } B \text { ' is } $$

$$ \text { The incorrect statement about } B \text { is } $$