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NEET levelSingle correct optionDifficulty 1 of 3df086

The principal ore from which potassium permanganate is manufactured is

Achromite, $FeCr X_{2} O X_{4}$
Bhaematite, $Fe X_{2} O X_{3}$
Cpyrolusite, $MnO X_{2}$
Dcinnabar, $HgS$

Answer: C

Pyrolusite is fused with KOH in air to give green

K X_{2} MnO X_{4}

, which is then oxidised to purple

KMnO X_{4}

. Chromite is the ore for dichromate.

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