Transition and InnerTransition Elements - Result Question 66
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, 2M)
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Solution:
(i) $2 \mathrm{KMnO}_4+5 \mathrm{H}_2 \mathrm{O}_2+3 \mathrm{H}_2 \mathrm{SO}_4 \longrightarrow \mathrm{K}_2 \mathrm{SO}_4$ $$+2 \mathrm{MnSO}_4+5 \mathrm{O}_2+8 \mathrm{H}_2 \mathrm{O}$$
(ii) $4 \mathrm{Zn}+10 \mathrm{HNO}_3 \longrightarrow 4 \mathrm{Zn}\left(\mathrm{NO}_3\right)_2+\mathrm{N}_2 \mathrm{O}+5 \mathrm{H}_2 \mathrm{O}$
BETA
