Which molecule has a bond angle of approximately 180° and a linear geometry?
- A) Methane (CHâ‚„)
- B) Carbon dioxide (COâ‚‚)
- C) Ammonia (NH₃)
- D) Water (Hâ‚‚O)
Answer: B) Carbon dioxide (COâ‚‚)
Which molecule has a central atom with sp³ hybridization and a tetrahedral shape?
- A) Water (Hâ‚‚O)
- B) Carbon dioxide (COâ‚‚)
- C) Methane (CHâ‚„)
- D) Ammonia (NH₃)
Answer: C) Methane (CHâ‚„)
What is the bond angle in a molecule with a square pyramidal shape?
- A) 90°
- B) 120°
- C) 109.5°
- D) 180°
Answer: A) 90°
Which molecule has a central atom with sp³d hybridization and a trigonal bipyramidal geometry?
- A) Methane (CHâ‚„)
- B) Phosphorus pentachloride (PClâ‚…)
- C) Sulfur hexafluoride (SF₆)
- D) Boron trifluoride (BF₃)
Answer: B) Phosphorus pentachloride (PClâ‚…)
What is the bond angle in a molecule with a trigonal pyramidal shape?
- A) 90°
- B) 120°
- C) 109.5°
- D) 180°
Answer: C) 109.5°
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) Boron trifluoride (BF₃)
Answer: C) Sulfur hexafluoride (SF₆)
What is the geometry of a molecule with a central atom having three bonding pairs and one lone pair?
- A) Trigonal planar
- B) Trigonal pyramidal
- C) Tetrahedral
- D) Bent
Answer: B) Trigonal pyramidal
Which of the following molecules has a central atom with sp hybridization and a linear shape?
- A) Carbon dioxide (COâ‚‚)
- B) Water (Hâ‚‚O)
- C) Ammonia (NH₃)
- D) Methane (CHâ‚„)
Answer: A) Carbon dioxide (COâ‚‚)
Which molecule has a central atom with sp² hybridization and a trigonal planar shape?
- A) Boron trifluoride (BF₃)
- B) Methane (CHâ‚„)
- C) Acetylene (Câ‚‚Hâ‚‚)
- D) Ammonia (NH₃)
Answer: A) Boron trifluoride (BF₃)
What is the shape of a molecule with four bonds and one lone pair around the central atom?
- A) Tetrahedral
- B) Trigonal pyramidal
- C) Seesaw
- D) Square planar
Answer: C) Seesaw