Which is/are Lewis acid as well as Lewis base (amphoteric)?

X e F_{2}

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X e F_{4}

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X e F_{6}

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X e F_{6}^{2 -}

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Solution

The correct option is A $X e F_{6}$
$X e F_{6} + B F_{3} ⟶ [X e F_{5}]^{+} [B F_{4}]^{-}$ ----- Lewis base

$X e F_{6} + H F ⟶ [X e F_{5}]^{+} [H F_{2}]^{-}$

$X e F_{6} + R b F / C s F ⟶ R b^{+} / C s^{+} [X e F_{7}]^{-}$ ----- Lewis acid

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Similar questions

Q. Which of the following molecule can act as lewis acid as well as lewis base?

S F_{4}

can act as Lewis acid in the presence of strong Lewis base and as Lewis base in the presence strong Lewis acid.

The correct statements regarding the acids are
A) $N H_{3}$ can act as both bronsted base as well as Lewis base
B) Dry hydrogen chloride is not Arrhenius acid

C) According to Davy, acid must contain oxygen as necessary element

Q. Which of the following species (molecule or ion) can behave both as a Lewis Base as well as a Bronsted base?

Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base: (a) OH^– (b) F^– (c) H⁺ (d) BCl₃.

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Which is/are Lewis acid as well as Lewis base (amphoteric)?

The correct option is A XeF6XeF6+BF3⟶[XeF5]+[BF4]− ----- Lewis baseXeF6+HF⟶[XeF5]+[HF2]−XeF6+RbF/CsF⟶Rb+/Cs+[XeF7]− ----- Lewis acid

The correct option is A $X e F_{6}$
$X e F_{6} + B F_{3} ⟶ [X e F_{5}]^{+} [B F_{4}]^{-}$ ----- Lewis base

$X e F_{6} + H F ⟶ [X e F_{5}]^{+} [H F_{2}]^{-}$

$X e F_{6} + R b F / C s F ⟶ R b^{+} / C s^{+} [X e F_{7}]^{-}$ ----- Lewis acid