1.

(A): The bond dissociation energy of fluorine is less than bromine. (R): In fluorine molecule, large lone pair electronic repulsions and appreciable internuclear repulsions are present.

Answer»

Both (A) and (R ) are TRUE and (R ) is the CORRECT explanation of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

Answer :A


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