Chemistry
Theories of Covalent Bonding and Shapes of Molecules
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#9 Which of the following is an example of a molecule with a trigonal planar shape?
A) H2O
B) CO2
C) BF3
D) NH3
#10 In the nitrogen trifluoride (NF3) molecule, the central atom undergoes which type of hybridization?
A) sp
B) sp2
C) sp3
D) sp3d
#11 Which of the following molecules has a bent shape?
A) CO2
B) H2O
C) NH3
D) CH4
#12 What type of bonding is present in a molecule of chlorine (Cl2)?
A) Ionic bonding
B) Covalent bonding
C) Metallic bonding
D) Coordinate bonding
#13 Which of the following molecules has a square planar geometry?
A) XeF4
B) SF6
C) NH3
D) H2O
#14 Which hybridization is observed in the central atom of a carbon dioxide (CO2) molecule?
A) sp3
B) sp2
C) sp
D) sp3d
#15 The bond angle in a methane (CH4) molecule is:
A) 120 degrees
B) 109.5 degrees
C) 90 degrees
D) 180 degrees
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