Q1. The shape of \( \ce{AsF3} \) molecule is:A. Trigonal planarB. BentC. TetrahedralD. Trigonal pyramidal
Q2. Which molecule exhibits the strongest hydrogen bonding due to the highest electronegativity difference?A. \( \ce{H2O} \)B. \( \ce{HF} \)C. \( \ce{NH3} \)D. \( \ce{CH4} \)
Q3. The hybridization of phosphorus in \( \ce{PCl3} \) is:A. \( sp^2 \)B. \( sp \)C. \( sp^3d \)D. \( sp^3 \)
Q4. The bond order of \( \ce{N2^+} \) ion, based on molecular orbital theory, is:A. 2.5B. 3C. 2D. 1.5
Q5. Which molecule has a bond angle of approximately 115° due to resonance and \( sp^2 \) hybridization?A. \( \ce{H2O} \)B. \( \ce{NH3} \)C. \( \ce{SO3} \)D. \( \ce{CH4} \)
Q6. What type of hybridization is observed in a molecule with a linear geometry and two bonding pairs?A. \( sp \)B. \( sp^2 \)C. \( sp^3 \)D. \( sp^3d \)
Q7. Which molecule has a pentagonal bipyramidal shape with no lone pairs?A. \( \ce{SF6} \)B. \( \ce{BrF5} \)C. \( \ce{IF7} \)D. \( \ce{XeF4} \)
Q8. Which of the following ions has a noble gas electronic configuration?A. \( \ce{Mg^2+} \)B. \( \ce{Al^3+} \)C. \( \ce{F^-} \)D. \( \ce{K^+} \)
Q9. Which of the following elements achieves a stable octet by losing two electrons?A. CaB. NaC. ClD. O
Q10. What is the geometry of a molecule with \( sp^2 \) hybridization?A. TetrahedralB. Trigonal planarC. LinearD. Trigonal bipyramidal