AlF 3 is soluble in HF only in presence of KF . It is due to the formation of

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Question: Answered & Verified by Expert

{AlF}_{3}

is soluble in

HF

only in presence of

KF

. It is due to the formation of

Chemistryp Block Elements (Group 13 & 14)NEETNEET 2016 (Phase 2)

Options:

A $K_{3} [{AlF}_{3} H_{3}]$
B $K_{3} [{AlF}_{6}]$
C ${AlH}_{3}$
D $K [{AlF}_{3} H]$

Solution:

1590 Upvotes Verified Answer

The correct answer is:

K_{3} [{AlF}_{6}]

{AlF}_{3}

is soluble in the presence of

KF

due to the formation of soluble complex

K_{3} [{AlF}_{6}]

.

{AlF}_{3} + 3 KF \overset{HF}{\to} K_{3} [{AlF}_{6}]

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