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Assertion (A): Salts of CIO(3)^(Theta) a...

Assertion (A): Salts of `CIO_(3)^(Theta)` and `CIO_(4)^(Theta)` are well known but those of `FO_(3)^(Theta)` are unknown.
Reason (R ): F is more electronegative than O, while CI is less electronegative than O.

Text Solution

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The correct Answer is:
B
Correct Reason: F cannot show positive oxidation state of `+5` and `+7`, due to absence of vacant d-orbital in its valence shell, hence `FO_(3)^(Theta)` and `FO_(4)^(Theta)` are unknown.
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