AIIMS2013Chemistry-Chemical Bonding
AIIMS 2013 Chemistry Coordinate Bond MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In BF₃, the B – F bond length is 1.30 Å, when BF₃ is allowed to be treated with Me₃N, it forms an adduct, Me₃N→BF₃, the bond length of B – F in the adduct is
A
greater than 1.30 Å
B
smaller than 1.30 Å
C
equal to 1.30 Å
D
none of these
Correct Answer
Option A
Detailed Explanation
In BF3, there is back bonding in between fluorine and boron due to presence of p-orbital in boron.
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