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NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

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Understanding +4 | -1
Disproportionation phenomenon is not shown by
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Correct option: B
ClO4−ClO_4^ -
Option B (ClO4−ClO_4^ -) is correct because the oxidation state of Cl in ClO4−ClO_4^ - is +7, which is the highest possible oxidation state for chlorine, so it cannot be further oxidized and thus cannot disproportionate.

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