Transition and InnerTransition Elements - Result Question 73
####73. State the conditions under which the following preparations are carried out. Give necessary equations which need not be balanced.
“Potassium permanganate from manganese dioxide”
(1983, 1M)
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Solution:
- Potassium permanganate can be prepared from $MnO _2$ under the following conditions :
$$ \begin{array}{r} MnO _2+KOH+O _2 \stackrel{\text { Heat }}{\longrightarrow} K _2 MnO _4+H _2 O \ K _2 MnO _4+Cl _2 \longrightarrow KMnO _4+KCl \end{array} $$
