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Redox Reactions

Question
CBSEENCH11006721

Refer to the periodic table given in your book and now answer the following questions:
(a) Select the possible non-metals that can show disproportionation reaction.
(b) Select three metals that can show disproportionation reaction.

Solution

In a disproportionation reaction, one of the reacting substances in a reaction always contains an element that can exist in at least three oxidation states.

(a) The non-metals such as P4,Cl2 and S8 show disproportionation reaction as indicated below:

(b) The metals such as Cu+, Ga+, In+ show disproportionation reactions indicated below: