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Question

Chemistry Question on Redox reactions

Choose the disproportionation reaction among the following redox reactions

A

3Mg(s)+N2(g)>Mg3N2(s){ 3Mg_{(s)} + N_{2(g)} -> Mg3N_{2(s)}}

B

{ P_{4(S)} + 3NaOH_{(aq)} + 3H_2_{O(l)} -> PH_{3(g)} + 3NaH_2PO_2_{(aq) }}

C

Cl2(g)+2KI(aq)>2KCl(aq)+I2(s){Cl_{2(g)} + 2KI{(aq)} -> 2 KCl_{(aq)} + I_{2(s)} }

D

{Cr2O_{3(s)} + 2Al_{(s)} -> Al_2O_3_{(s)} + 2Cr_{(s)} }

Answer

{ P_{4(S)} + 3NaOH_{(aq)} + 3H_2_{O(l)} -> PH_{3(g)} + 3NaH_2PO_2_{(aq) }}

Explanation

Solution

{ P_{4(S)} + 3NaOH_{(aq)} + 3H_2_{O(l)} -> PH_{3(g)} + 3NaH_2PO_2_{(aq) }}