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  • Which of the following can be classified as disproportionation reaction?Option: 1 <img alt="Cl_{2\left ( g \right )}+2KI_{\left ( aq \right )}\righta

Which of the following can be classified as disproportionation reaction?

Option: 1

Cl_{2\left ( g \right )}+2KI_{\left ( aq \right )}\rightarrow 2KCl_{\left ( aq \right )}+I_{2\left ( s \right )}


Option: 2

Zn+2HCl\rightarrow ZnCl_2+H_2


Option: 3

6ClO_2^-\rightarrow 4ClO_3^-+2Cl^-


Option: 4

2Pb(NO_3)_{2(g)}\rightarrow 2PbO_{(s)}+4NO_{2(g)}+O_{2(g)}


Answers (1)

best_answer

In 6ClO_2^-\overset{hv}{\rightarrow}4ClO_3^-+2Cl^-

Cl with the O.S. of +3 is both oxidised and reduced.

Therefore, the correct option is (3)

Posted by

shivangi.bhatnagar

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