The oxidation of benzene by $${V_2}{O_5}$$  in the presence of air produces

A. Fehling’s reagent

B. Grignard reagent

C. Schiff’s reagent

D. Tollen’s reagent

A. trimethylacetaldehye

B. acetaldehyde

C. benzaldehyde

D. formaldehyde

A. acetone

B. ethanol

C. diethyl ketone

D. isopropyl alcohol

A. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - \mathop {CH}\limits^{{\delta ^ + }} = O$$

B. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - CH = \mathop O\limits^{{\delta ^ + }} $$

C. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = \mathop {CH}\limits^{{\delta ^ + }} - CH = O$$

D. $$\mathop {C{H_2}}\limits^{{\delta ^ + }} = CH - CH = \mathop O\limits^{{\delta ^ - }} $$