In the reaction BF_3 + NH_3 to F_3B.NH_3: | vedclass

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Question

(C) In the reaction $BF_3 + NH_3 	o F_3B.NH_3$,$BF_3$ is a Lewis acid with $sp^2$ hybridization and trigonal planar geometry.$NH_3$ is a Lewis base w

Vedclass · Accepted Answer

Regular geometry of $BF_3$ changes

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(C) In the reaction $BF_3 + NH_3 	o F_3B.NH_3$,$BF_3$ is a Lewis acid with $sp^2$ hybridization and trigonal planar geometry.$NH_3$ is a Lewis base with $sp^3$ hybridization and pyramidal geometry.When they react,$B$ atom in $BF_3$ changes its hybridization from $sp^2$ to $sp^3$ to form a coordinate bond with $N$ atom.Consequently,the geometry of $BF_3$ changes from trigonal planar to tetrahedral.Therefore,the regular geometry of $BF_3$ is changed.

In the reaction $BF_3 + NH_3 \to F_3B.NH_3$:

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