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Polyhalogen Compounds

Acidified K...

Question

Acidified $K M n O_{4}$ can be decolourised by :

S O_{2}

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H_{2} O_{2}

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F e S O_{4}

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F e C l_{3}

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Solution

The correct options are
A $S O_{2}$
B $H_{2} O_{2}$
C $F e S O_{4}$
$K M n O_{4}$ can oxidize $S O_{2}, H_{2} O_{2} a n d F e$ . Fe is in +3 state in $F e C l_{3}$ so it can't be further oxidized.

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