Benzene diazonium chloride on treatment with hypophosphorous acid and water yield benzene. Which of the…

Benzene diazonium chloride on treatment with hypophosphorous acid and water yield benzene. Which of the following is used as a catalyst in this reaction?
  1. $\mathrm{LiAlH}_{4}$
  2. Red $\mathrm{p}$
  3. $\mathrm{Zn}$
  4. $\mathrm{Cu}^+$

Asked in: TEST SERIES MHT-CET Full Test 6

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