Question

Benzene diazonium chloride on treatment with hypophosphorous acid and water yield benzene. Which of the following is used as a catalyst in this reaction?

• A. $LiAl{H}_4$
• B. Red p
• C. Zn
• D. $C{u}^{+}$

Answer 1

Answer: (D)

Correct answer is (d) $C{u}^{+}$