What is the bond angle in a molecule with a trigonal planar shape?
- A) 90°
- B) 120°
- C) 109.5°
- D) 180°
Answer: B) 120°
Which molecule has a trigonal planar geometry and no lone pairs on the central atom?
- A) Methane (CHâ‚„)
- B) Ethylene (Câ‚‚Hâ‚„)
- C) Carbon dioxide (COâ‚‚)
- D) Ammonia (NH₃)
Answer: B) Ethylene (Câ‚‚Hâ‚„)
What is the molecular geometry of a molecule with two bonds and one lone pair around the central atom?
- A) Linear
- B) Trigonal pyramidal
- C) Trigonal planar
- D) Bent
Answer: D) Bent
Which molecule has a central atom with sp³ hybridization and a tetrahedral geometry?
- A) Methane (CHâ‚„)
- B) Water (Hâ‚‚O)
- C) Boron trifluoride (BF₃)
- D) Phosphorus pentachloride (PClâ‚…)
Answer: A) Methane (CHâ‚„)
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‚…)
Which molecule has a central atom with sp³d² hybridization and an octahedral shape?
- A) Methane (CHâ‚„)
- B) Phosphorus pentachloride (PClâ‚…)
- C) Sulfur hexafluoride (SF₆)
- D) Chlorine trifluoride (ClF₃)
Answer: C) Sulfur hexafluoride (SF₆)
What is the bond angle in a molecule with a bent shape and two lone pairs around the central atom?
- A) 90°
- B) 120°
- C) 104.5°
- D) 180°
Answer: C) 104.5°
Which molecule has a central atom with sp² hybridization and a trigonal planar shape?
- A) Methane (CHâ‚„)
- B) Boron trifluoride (BF₃)
- C) Water (Hâ‚‚O)
- D) Ammonia (NH₃)
Answer: B) Boron trifluoride (BF₃)
Which of the following molecules has a seesaw shape?
- A) Sulfur hexafluoride (SF₆)
- B) Phosphorus pentachloride (PClâ‚…)
- C) Carbon dioxide (COâ‚‚)
- D) Methane (CHâ‚„)
Answer: B) Phosphorus pentachloride (PClâ‚…)
What is the shape of a molecule with two bonds and two lone pairs on the central atom?
- A) Linear
- B) Trigonal pyramidal
- C) Bent
- D) Tetrahedral
Answer: C) Bent