Which of the following reactions represents disproportionation ?

Options

A. `2C u^(+)rarrCu^(2+)+Cu`
B. ` Fe^(2+)rarr(1)/(2)Fe^(3+)+e^(-)`
C. `Cu^(+2)+ZnrarrZn^(2+)+Cu`
D. All the above.

Answer

A

Explanation

Disproportionation refers to a process in which same species increases as well decreases its electrons.
`Cl^(-)rarrCl+e^(-)`
`Cl+ClrarrCl_(2)uparrow`.