question_answer

Which of the following is correct representation of reaction of acidified permanganate solution with sulphur dioxide?

A) \[2MnO_{4}^{-}+5S{{O}_{2}}+2{{H}_{2}}O\to 5SO_{4}^{2-}+2M{{n}^{2+}}+4{{H}^{+}}\]

B) \[MnO_{4}^{-}+S{{O}_{2}}+2{{H}_{2}}O\to S+M{{n}^{2+}}+4{{H}^{+}}\]

C) \[2MnO_{4}^{-}+5S{{O}_{2}}+2{{H}_{2}}O\to 4SO_{3}^{2-}+S+2M{{n}^{2+}}+4{{H}^{+}}\]

D) \[3MnO_{4}^{-}+2S{{O}_{2}}+2{{H}_{2}}O\to 2S+3M{{n}^{2+}}+4{{H}^{+}}\]

Correct Answer: A

Solution :