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Aluminium Chloride

AlF 3 is solu...

Question

$A l F_{3}$ is soluble in HF only in presence of KF. It is due to the formation of

A

A l H_{3}

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B

K [A l F_{3} H]

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C

K_{3} [A l F_{3} H_{3}]

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D

K_{3} [A l F_{6}]

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Solution

The correct option is D $K_{3} [A l F_{6}]$
$A l F_{3}$ is insoluble in anhydrous HF because the $F^{-}$ ions are not available in hydrogen bonded HF but, it becomes soluble in presence of little amount of KF due to formation of soluble complex

$A l F_{3} + 3 K F \to K_{3} [A l F_{6}]$

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Similar questions

A l F_{3}

H F

only in the presence of

K F

. It is due to the formation of:

A l F_{3}

H F

only in the presence of

K F

. It is due to the formation of:

A l F_{3}

is soluble in HF only in presence of KF. its is due to the formation of:

A l F_{3}

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

Q. Select correct answer:

K F

H F

K H F_{2}

. The compound contains the species:
(a)

K^{+}, F^{-}

H^{+}

K^{+}, F

H F

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(II) Which compound is formed when excess of

K C N

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(a)

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K_{2} [C u (C N)_{4}]

K [C u (C N)_{2}]

K_{3} [C u (C N)_{4}]

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