What is the molecular geometry of a molecule with two bonding pairs and one lone pair around the central atom?
- A) Linear
- B) Trigonal planar
- C) Bent
- D) Tetrahedral
Answer: C) Bent
Which molecule has a bond angle of approximately 180°?
- A) Water (Hâ‚‚O)
- B) Ammonia (NH₃)
- C) Carbon dioxide (COâ‚‚)
- D) Methane (CHâ‚„)
Answer: C) Carbon dioxide (COâ‚‚)
Which hybridization corresponds to a trigonal bipyramidal molecular geometry?
- A) sp
- B) sp²
- C) sp³
- D) sp³d
Answer: D) sp³d
Which molecule has a tetrahedral molecular geometry with no lone pairs on the central atom?
- A) Water (Hâ‚‚O)
- B) Ammonia (NH₃)
- C) Methane (CHâ‚„)
- D) Boron trifluoride (BF₃)
Answer: C) Methane (CHâ‚„)
In which molecule is the central atom sp² hybridized?
- A) Ethylene (Câ‚‚Hâ‚„)
- B) Ethane (C₂H₆)
- C) Acetylene (Câ‚‚Hâ‚‚)
- D) Methane (CHâ‚„)
Answer: A) Ethylene (Câ‚‚Hâ‚„)
What is the shape of a molecule with two single bonds and two lone pairs around the central atom?
- A) Linear
- B) Trigonal planar
- C) Bent
- D) Tetrahedral
Answer: C) Bent
Which of the following molecules has an octahedral geometry?
- A) Methane (CHâ‚„)
- B) Sulfur hexafluoride (SF₆)
- C) Water (Hâ‚‚O)
- D) Ammonia (NH₃)
Answer: B) Sulfur hexafluoride (SF₆)
In which molecule does the central atom exhibit sp hybridization?
- A) Carbon dioxide (COâ‚‚)
- B) Water (Hâ‚‚O)
- C) Ammonia (NH₃)
- D) Methane (CHâ‚„)
Answer: A) Carbon dioxide (COâ‚‚)
What is the bond angle in a molecule with a seesaw geometry?
- A) 90° and 120°
- B) 109.5°
- C) 180°
- D) 120° and 180°
Answer: A) 90° and 120°
Which type of molecular shape is associated with a central atom that has two bonds and two lone pairs?
- A) Trigonal pyramidal
- B) Linear
- C) Bent
- D) Tetrahedral
Answer: C) Bent