1.

Assertion (A) : Boron always forms covalent bond. Reason (R) :The small size of B^(3+) favours formation of covalent bond.

Answer»

Both A and R are true and R is the CORRECT EXPLANATION of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true

Answer :A


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