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NEET levelSingle correct optionDifficulty 1 of 3bn068

What is the name of $KMnO X_{4}$ ?

Apotassium manganate
Bpotassium permanganate
Cpotassium manganite
Dpotassium hypomanganate

Answer: B

MnO X_{4} X^{-}

with Mn

+ 7

is permanganate; the manganate ion with Mn

+ 6

is

MnO X_{4} X^{2 -}

in

K X_{2} MnO X_{4}

. So

KMnO X_{4}

is potassium permanganate.

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