Question

Refer to the periodic table given in your book and now answer the following questions:

1. Select the possible non metals that can show disproportionation reaction.
2. Select three metals that can show disproportionation reaction

Answer 1

In disproportionation reactions, one of the reacting substances always contains an element that can exist in at least three oxidation states.
(a) $P$, $Cl$, and $S$ can show disproportionation reactions as these elements can exist in three or more oxidation states.

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(b) $Mn$, $Cu$, and $Ga$ can show disproportionation reactions as these elements can exist in three or more oxidation states.