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NEET levelSingle correct optionDifficulty 1 of 3df083

The green colour of potassium manganate is due to the presence of the ion

A $MnO X_{4} X^{-}$
B $Mn X^{2 +}$
C $MnO X_{2}$
D $MnO X_{4} X^{2 -}$

Answer: D

Manganate(VI)

MnO X_{4} X^{2 -}

is green, while permanganate

MnO X_{4} X^{-}

is purple,

Mn X^{2 +}

is pale pink and

MnO X_{2}

is a brown-black solid.

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