Question

Which of the following reaction represents disproportionation?

• A. $Cu +4 HNO _{3} \rightarrow Cu \left( NO _{3}\right)_{2}+2 NO _{2}+2 H _{2} O$
• B. $3 I _{2}+6 OH ^{-} \longrightarrow IO _{3}^{-}+5 I ^{-}+3 H _{2} O$
• C. $Cl _{2}+ I _{2} \longrightarrow 2 ICl$
• D. $Zn +2 HCl \longrightarrow ZnCl _{2}+ H _{2}$

Answer 1

Answer: (B)

Correct answer is (b) $3 I _{2}+6 OH ^{-} \longrightarrow IO _{3}^{-}+5 I ^{-}+3 H _{2} O$