Which molecule has a central atom with sp³ hybridization and a trigonal pyramidal shape?
- A) Methane (CHâ‚„)
- B) Water (Hâ‚‚O)
- C) Ammonia (NH₃)
- D) Boron trifluoride (BF₃)
Answer: C) Ammonia (NH₃)
What type of bond is present in an oxygen molecule (Oâ‚‚)?
- A) Single bond
- B) Double bond
- C) Triple bond
- D) Quadruple bond
Answer: B) Double bond
Which of the following molecules has a seesaw shape?
- A) SF₆
- B) PClâ‚…
- C) ClF₃
- D) Hâ‚‚O
Answer: C) ClF₃
Which molecule has a bond angle of approximately 120°?
- A) Methane (CHâ‚„)
- B) Ammonia (NH₃)
- C) Boron trifluoride (BF₃)
- D) Water (Hâ‚‚O)
Answer: C) Boron trifluoride (BF₃)
Which molecule has a central atom with sp hybridization and a linear shape?
- A) Acetylene (Câ‚‚Hâ‚‚)
- B) Water (Hâ‚‚O)
- C) Methane (CHâ‚„)
- D) Ammonia (NH₃)
Answer: A) Acetylene (Câ‚‚Hâ‚‚)
What is the shape of a molecule with a central atom having three bonding pairs and no lone pairs?
- A) Trigonal planar
- B) Tetrahedral
- C) Trigonal pyramidal
- D) Bent
Answer: A) Trigonal planar
Which of the following molecules has a central atom with sp³d hybridization?
- A) Methane (CHâ‚„)
- B) Phosphorus trifluoride (PF₃)
- C) Phosphorus pentachloride (PClâ‚…)
- D) Ammonia (NH₃)
Answer: C) Phosphorus pentachloride (PClâ‚…)
In which molecule is the central atom sp³d² hybridized?
- A) Water (Hâ‚‚O)
- B) Carbon dioxide (COâ‚‚)
- C) Chlorine trifluoride (ClF₃)
- D) Sulfur hexafluoride (SF₆)
Answer: D) Sulfur hexafluoride (SF₆)
What is the bond angle in a molecule with an octahedral geometry?
- A) 90°
- B) 120°
- C) 109.5°
- D) 180°
Answer: A) 90°
Which molecule has a central atom with sp³ hybridization and a tetrahedral geometry?
- A) Methane (CHâ‚„)
- B) Ethylene (Câ‚‚Hâ‚„)
- C) Water (Hâ‚‚O)
- D) Carbon dioxide (COâ‚‚)
Answer: A) Methane (CHâ‚„)