Which of the following sets of reagents convert toluene to benzaldehyde? A. $\mathrm{Cl}_2 \mid \mathrm{h} v…
Which of the following sets of reagents convert toluene to benzaldehyde?
A. $\mathrm{Cl}_2 \mid \mathrm{h} v ; \mathrm{H}_2 \mathrm{O}, \Delta$
B. $\mathrm{Cl}_2 \mid \mathrm{Fe} ; \mathrm{H}_2 \mathrm{O}$
C. $\mathrm{KMnO}_4 \mid \mathrm{OH}^{-} ; \mathrm{H}^{+}$
D. $\mathrm{CrO}_2 \mathrm{Cl}_2 \mid \mathrm{CS}_2 ; \mathrm{H}_3 \mathrm{O}^{+}$