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NEET levelSingle correct optionDifficulty 1 of 3bn112

Which formula represents potassium permanganate?

A $K X_{2} MnO X_{4}$
B $KMnO X_{4}$
C $K X_{2} CrO X_{4}$
D $KMnO X_{3}$

Answer: B

Permanganate is

MnO X_{4} X^{-}

(Mn in

+ 7

), so with one

K X^{+}

the formula is

KMnO X_{4}

.

K X_{2} MnO X_{4}

is potassium manganate (Mn in

+ 6

).

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