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What is the chemical formula of aluminium carbide?

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in Chemistry – Class 11 by (148k points)
What is the chemical formula of aluminium carbide?

(a) AlC

(b) AlC3

(c) AlC2

(d) AC3

I have been asked this question by my school principal while I was bunking the class.

This interesting question is from p-Block Elements topic in section p-Block Elements of Chemistry – Class 11

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The correct choice is (b) AlC3

The explanation is: 4 moles of aluminium atom combines with 3 moles of carbon atom on heating, in order to form aluminium carbide. Aluminium carbide is ionic in nature and it also forms methane with water. Its chemical formula is given by AlC3.

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