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JEE · NEET Previous Year Question

$The correct statement about B_{2} H_{6} is:$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $All B-H-B angles are of 120°.$
B $Its fragment, BH_{3}, behaves as a Lewis base.$
C $Terminal B-H bonds have less p-character when compared to bridging bonds.$
D $The two B-H-B bonds are not of same length.$

Correct answer: C

Solution

(c) Terminal bond angle is greater than that of bridge bond angle Bond angle Bond order \propto S-character \propto \frac{1}{p - character}

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