Assertion :Sodium perxenate $({N a}_{4} X e O_{6})$ reacts with $N a F$ in acidic medium to give $X e O_{3}$ and $F_{2}$ . Reason: $X e O_{6}^{4 -}$ is a stronger oxidant than $F_{2}$ .

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The reaction is as follows:
$+ 8 X e O_{6}^{4 -} + 2^{⊖} + 6 H^{\oplus} ⟶ + 6 X e O_{3} +_{2} + 3 H_{2} O$
The oxidation number of $X e$ decreases from +8 to +6 in $X e O_{3}$ while that of $F$ increases from -1 to zero.
Therefore, $X e O_{6}^{4 -}$ is reduced while $F^{⊖}$ is oxidised.
Hence, $X e O_{6}^{4 -}$ is a stronger oxidant than $F_{2}$ .

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Assertion :Sodium perxenate (Na4XeO6) reacts with NaF in acidic medium to give XeO3 and F2. Reason: XeO4−6 is a stronger oxidant than F2.

Assertion :Sodium perxenate $({N a}_{4} X e O_{6})$ reacts with $N a F$ in acidic medium to give $X e O_{3}$ and $F_{2}$ . Reason: $X e O_{6}^{4 -}$ is a stronger oxidant than $F_{2}$ .