Question

The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid
decreases in the sequence:
(a) BCl₃ > BF₃ > BBr₃ (b) BBr₃ > BCl₃ > BF₃
(c) BBr₃ > BF₃ > BCl₃ (d) BF₃ > BCl₃ > BBr₃

Answer 1

Explanation:

The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid

decreases in the sequence:

(a) BCl₃ > BF₃ > BBr₃

(b) BBr₃ > BCl₃ > BF₃

(c) BBr₃ > BF₃ > BCl₃

(d) BF₃ > BCl₃ > BBr₃

Answer 2

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The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid

decreases in the sequence:

Option C is correct

(c) BBr₃ > BF₃ > BCl₃