What is the geometry of a molecule with two bonds and three lone pairs around the central atom?
- A) Linear
- B) Trigonal pyramidal
- C) Tetrahedral
- D) Trigonal bipyramidal
Answer: A) Linear
Which molecule has a trigonal bipyramidal shape and three lone pairs on the central atom?
- A) Sulfur hexafluoride (SF₆)
- B) Phosphorus trifluoride (PF₃)
- C) Phosphorus pentachloride (PClâ‚…)
- D) Chlorine trifluoride (ClF₃)
Answer: D) Chlorine trifluoride (ClF₃)
What is the bond angle in a molecule with a bent shape and two lone pairs on the central atom?
- A) 90°
- B) 120°
- C) 109.5°
- D) 104.5°
Answer: D) 104.5°
Which molecule has a central atom with sp² hybridization and a trigonal planar geometry?
- A) Boron trifluoride (BF₃)
- B) Methane (CHâ‚„)
- C) Ethylene (Câ‚‚Hâ‚„)
- D) Ammonia (NH₃)
Answer: C) Ethylene (Câ‚‚Hâ‚„)
Which molecule has a central atom with sp³d hybridization and a seesaw shape?
- A) Methane (CHâ‚„)
- B) Phosphorus pentachloride (PClâ‚…)
- C) Sulfur hexafluoride (SF₆)
- D) Chlorine trifluoride (ClF₃)
Answer: B) Phosphorus pentachloride (PClâ‚…)
What is the bond angle in a molecule with a square planar shape?
- A) 90°
- B) 120°
- C) 109.5°
- D) 180°
Answer: A) 90°
Which molecule has a central atom with sp³d² hybridization and a square pyramidal shape?
- A) Methane (CHâ‚„)
- B) Phosphorus pentachloride (PClâ‚…)
- C) Sulfur hexafluoride (SF₆)
- D) Chlorine trifluoride (ClF₃)
Answer: C) Sulfur hexafluoride (SF₆)
Which molecule has a central atom with sp² hybridization and a linear shape?
- A) Methane (CHâ‚„)
- B) Carbon dioxide (COâ‚‚)
- C) Ethylene (Câ‚‚Hâ‚„)
- D) Water (Hâ‚‚O)
Answer: B) Carbon dioxide (COâ‚‚)
What is the geometry of a molecule with three bonding pairs and one lone pair around the central atom?
- A) Trigonal planar
- B) Trigonal pyramidal
- C) Tetrahedral
- D) Linear
Answer: B) Trigonal pyramidal
Which of the following molecules has a central atom with sp hybridization and a bond angle of 180°?
- A) Methane (CHâ‚„)
- B) Acetylene (Câ‚‚Hâ‚‚)
- C) Boron trifluoride (BF₃)
- D) Water (Hâ‚‚O)
Answer: B) Acetylene (Câ‚‚Hâ‚‚)