Problem: NH3 (pyramidal geometry) reacts with BF3 (planar geometry) to form the addition compound, H3NBF3. What is the geometry around the nitrogen and boron centers in the addition compound? a) Both centers are tetrahedral. b) Nitrogen is tetrahedral; boron is linear.  c) Nitrogen is pyramidal; boron is planar. d) Nitrogen is planar; boron is pyramidal. 

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NH3 (pyramidal geometry) reacts with BF3 (planar geometry) to form the addition compound, H3NBF3. What is the geometry around the nitrogen and boron centers in the addition compound?

a) Both centers are tetrahedral.

b) Nitrogen is tetrahedral; boron is linear. 

c) Nitrogen is pyramidal; boron is planar.

d) Nitrogen is planar; boron is pyramidal. 

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