Transition and InnerTransition Elements - Result Question 166
####66. Write balanced equations for the following
(i) Oxidation of hydrogen peroxide with potassium permanganate in acidic medium.
(ii) Reaction of zinc with dilute nitric acid.
$(1997,2 M)$
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Solution:
- (i) $2 KMnO _4+5 H _2 O _2+3 H _2 SO _4 \longrightarrow K _2 SO _4$
$$ +2 MnSO _4+5 O _2+8 H _2 O $$
(ii) $4 Zn+10 HNO _3 \longrightarrow 4 Zn\left(NO _3\right) _2+N _2 O+5 H _2 O$
