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Ionic Compounds: Chemical Formula

Hot aluminium...

Question

Hot aluminium reacts vigorously with chlorine gas to form a compound which sublimes readily. Give the formula of the compound formed.

A

A l {C l}_{2}

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B

A l C l

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C

A l {C l}_{3}

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D

A l {C l}_{4}

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Solution

The correct option is D $A l {C l}_{3}$
The compound formed when hot aluminium reacts vigorously with chlorine gas is aluminium chloride which is an ionic compound.

Formula of aluminium chloride is $A l {C l}_{3}$ .

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