1.

Assertion. F-F bond in F_(2) molecule is weak. Reason. F atom is small in size.

Answer»

If both assertion and REASON are true, and reason is the correct explanation of the assertion.
If both assertion and reason are ture, but reason is not the correct EXPLANANTION of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false

Solution :Correct explanation. Due to small size, the lone pairs of electrons on F-atoms repel the bond pair between F-atoms. Therefore, F-F bond in `F_(2)` molecule is weak.


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