Question

Which of the following reactions as disproportionation reaction ?
$2C{u}^{+}\to C{u}^{2+}+C{u}^o$
$3Mn{O}_4^{2-}+4H^{+}\to 2Mn{O}_4^{-}+Mn{O}_2+2H_{2}O$
$2KMn{O}_4\to K_{2}Mn{O}_4+Mn{O}_2+O_2$
$2Mn{O}_4^{-}+3M{n}^{2+}+2H_{2}O\to 5Mn{O}_2+4H^{+}$
SeIcet the correct option from the following:

• A. (a), (c) and (d)
• B. (a) and (d) only
• C. (a) and (b) only
• D. (a), (b) and (c)

Answer 1

Answer: (C)

Correct answer is (c) (a) and (b) only