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Density

A : Oxides ar...

Question

A : Oxides are more ionic than their corresponding sulphides.
R : Oxygen has a higher electron affinity than sulphur.

A

Both Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

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B

Both the Assertion and the Reason are true but the Reason is not a correct explanation of the Assertion.

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C

The Assertion is true but the Reason is false.

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D

Both the Assertion and the Reason are false.

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Solution

The correct option is C The Assertion is true but the Reason is false.
According to Fajans' rule, oxides are more ionic than corresponding sulphides because of the smaller size of the oxygen ion. Larger the size of the anion more will be the covalent nature of the compound.

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