Consider the following statements regarding halides of $S$ .
(i) $S F_{4}$ and $S C l_{4}$ act as Lewis acid only.
(ii) $S F_{4}$ and $S C l_{4}$ act as Lewis base only.
(iii) $S F_{4}$ and $S C l_{4}$ act both as Lewis acid and Lewis base.
The correct option is:

both (ii) a (iii) are correct

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both (i) a (ii) are correct

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only (iii) is correct

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all are correct

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Solution

The correct option is C only (iii) is correct
it is trigonal bipyramid with one corner occupied by lone pair electron
$S F_{4}$ and $S C l_{4}$ act both as Lewis acid and Lewis base depending upon the reactant.

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Similar questions

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.

Q. Assertion :

S F_{4}

can act as Lewis acid.
Reason :The compound which contains vacant d-orbitals can act as Lewis acid.

Q. Which of the following Lewis acid – base interactions are associated with the further involvement of d-orbitals?

i)

S b F_{5} + H F \to H^{+} [S b F_{6}]^{-}

ii)

N H_{3} + B F_{3} \to H_{3} N B F_{3}

iii)

A l C l_{3} + C l^{-} \to A l C l_{4}^{-}

iv)

S F_{4} + F^{-} \to [S F_{5}]^{-}

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

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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Consider the following statements regarding halides of S.(i) SF4 and SCl4 act as Lewis acid only.(ii) SF4 and SCl4 act as Lewis base only.(iii) SF4 and SCl4 act both as Lewis acid and Lewis base.The correct option is:

The correct option is C only (iii) is correctit is trigonal bipyramid with one corner occupied by lone pair electron SF4 and SCl4 act both as Lewis acid and Lewis base depending upon the reactant.

Consider the following statements regarding halides of $S$ .
(i) $S F_{4}$ and $S C l_{4}$ act as Lewis acid only.
(ii) $S F_{4}$ and $S C l_{4}$ act as Lewis base only.
(iii) $S F_{4}$ and $S C l_{4}$ act both as Lewis acid and Lewis base.
The correct option is:

The correct option is C only (iii) is correct
it is trigonal bipyramid with one corner occupied by lone pair electron
$S F_{4}$ and $S C l_{4}$ act both as Lewis acid and Lewis base depending upon the reactant.