CBSE Class 12 Chemistry 2018 Solved Paper

Question : 10 of 26

Marks: +1, -0

Complete and balance the following chemical equations:
(a)

{\Fe}^{2+}+ {\MnO}_4^{-}+ {\H}^{+} →

(b)

{\MnO}_4^{-}+ {\H}_2 {\O}+ {\I}^{-} →

Solution:

(a)

5 {\Fe}^{2+}+ {\MnO}_4^{-}+8 {\H}^{+} →

{\Mn}^{2+}+4 {\H}_2 {\O}+5 {\Fe}^{3+}

(b)

2 {\MnO}_4^{-}+ {\H}_2 {\O}+ {\I}^{-} →

2 {\MnO}_2+2 {\OH}^{-}+ {\IO}_3^{-}

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