Acidic character of liquid HF increases on addition of which of the following compound ?

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Yumima · Answer 1 · 2022-01-25T02:48:23+0000

The acidity of liquid HF can be increased by adding one of several inorganic fluorides that are Lewis acids and accept F– ion (for example, BF3 or SbF5).

ChetanDivakar · Answer 2 · 2022-01-25T06:07:43+0000

Correct answer is (d) a and c both

Acidity of liquid HF will increased by adding Lewis acid fluorides-

ex - BF₃, SiF₄, SbF₅ etc.

SiF₄ + 2HF → H₂[SiF₆] \(\rightleftharpoons\) 2H⁺ + [SiFb]^-2

BF₃ + HF → HBF₄ \(\rightleftharpoons\) H⁺ + BF₄

Acidic character of liquid HF increases on addition of which of the following compound ?

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