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Which of the following are examples of d...

Which of the following are examples of disproportionation reactions?
a. `Ag(NH_(3))_(2)^(o+)+2H^(o+)rarrAg^(o+)+2overset(o+)NH_(4)`
b. `Cl_(2)+2overset(ө)OHrarrClO^(ө)+Cl^(ө)+H_(2)O`
c. `CaCO_(3)rarrCaO+CO_(2)`
d. `2HgOrarr2Hg+O_(2)`
e. `Cu_(2)O+2H^(o+)rarrCu+Cu^(2+)+H_(2)O`
f. `CuS+O_(2)rarrCu+SO_(2)`
g. `2HCuCl_(2)+"dilute with" H_(2)OrarrCu+Cu^(2+)+4Cl^(ө)+2H^(o+)`
h. `2H_(2)O_(2)rarr2H_(2)O+O_(2)`

Text Solution

Verified by Experts

`(overset(+1)Agoverset(-3)NH_(3))_(2)^(+)+2H^(+)rarroverset(+1)Ag+(23overset(-3)NH_(4))^(+)`
Since there is no change in O.N of the lements ivolved in the reaction there is neither oxidation nor reduction therefore , this is not a disportionation reaction
`overset(0)CI_(2)+2OH^(-)rarr overset(-1)CI^(-)+overset(+1)(CIO)^(-)+H_(2)O`
In this reaction , `CI_(2)` is reduced to `CI^(-)` ion and is also oxidised to `CIO^(-)` ion.This is na example of disproportionation reaction.
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