The final product $(\mathrm{C})$ in the given reaction sequence is $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH} \xrightarrow{\mathrm{SOCl}_2}(\mathrm{A}) \xrightarrow[\text { anhy. } \mathrm{AlCl}_3]{\mathrm{C}_6 \mathrm{H}_6}(\mathrm{B}) \xrightarrow[\text { (ii) } \mathrm{KOH} /\left(\mathrm{CH}_2 \mathrm{OH}\right)_2]{\text { (i) } \mathrm{NH}_2-\mathrm{NH}_2}(\mathrm{C})$

• A

  Benzophenone
• Correct answer
  B

  Diphenyl methane
• C

  Diphenylmethanol
• D

  Benzoic acid

Hence, the correct answer is option: 'B'.