Potassium permanganate on heating at 513 K gives a product which is
Select the correct option:
A
paramagnetic and colourless
B
diamagnetic and green
C
diamagnetic and colourless
D
paramagnetic and green
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$$
2 \mathrm{KMnO}_4 \xrightarrow[200^{\circ} \mathrm{C}]{\Delta} \mathrm{K}_2 \mathrm{MnO}_{\text {Green }}+\underset{\text { Black }}{\mathrm{MnO}_2}+\mathrm{O}_2
$$
In $\mathrm{K}_2 \mathrm{MnO}_4$, manganese oxidation state is +6 and hence it has one unpaired $\mathrm{e}^{-}$.
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