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NEET levelSingle correct optionDifficulty 1 of 3ph058

Interhalogen compounds (other than fluorides of fluorine itself) are generally more reactive than the parent halogens (except $F X_{2}$ ) mainly because

Athe $X - X^{'}$ bond is weaker than the $X - X$ bond in the parent halogens
Bthey contain unpaired electrons
Cthe $X - X^{'}$ bond is stronger than the $X - X$ bond in the parent halogens
Dthey are fully ionic solids

Answer: A

The bond between two unlike halogen atoms is weaker than the X-X bond of the parent halogen (the F-F bond is the exception, being unusually weak). A weaker bond is broken more easily, so interhalogens are more reactive.

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