Question

d) Which of the following molecules exhibits delocalized pi bonding? CO2 SO2 NO H2CO H3COH c)What...

d) Which of the following molecules exhibits delocalized pi bonding?

CO2
SO2
NO
H2CO
H3COH

c)What are the total number of sigma bonds and the total number of pi bonds in HCN?

1 sigma bond and 1 pi bond
1 sigma bond and 2 pi bonds
1 sigma bond and 3 pi bonds
2 sigma bonds and 1 pi bond
2 sigma bonds and 2 pi bonds

b) What is the hybridization of the xenon atom in XeF4?

sp hybridization
sp2 hybridization
sp3 hybridization
sp3d hybridization
sp3d2 hybridization

a) What is the hybridization of the nitrogen atom in the nitrite ion, NO2– ?

sp hybridization
sp2 hybridization
sp3 hybridization
sp3d hybridization
sp3d2 hybridization
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Homework Answers

Answer #1

d) Which of the following molecules exhibits delocalized pi bonding?

Answer: SO2 (Oxygen is more polar than sulfur), delocalization means pi bonds movement.

c) What are the total number of sigma bonds and the total number of pi bonds in HCN?

Answer: H-C≡N, 2 sigma bonds + 2 pi bonds

b) What is the hybridization of the xenon atom in XeF4?

Answer: sp3d2 hybridization, using VSEPR theory

a) What is the hybridization of the nitrogen atom in the nitrite ion, NO2– ?

Answer: sp2 hybridization, using VSEPR theory

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