Q1. Which molecule contains both sigma and pi bonds?A. \( \ce{CH4} \)B. \( \ce{H2} \)C. \( \ce{NH3} \)D. \( \ce{C2H4} \)
Q2. Which species has a bond order of 0.5 and is stable?A. \( \ce{He2} \)B. \( \ce{Ne2} \)C. \( \ce{Li2^+} \)D. \( \ce{H2^+} \)
Q3. Which ion achieves a noble gas configuration by gaining three electrons and belongs to Group 15?A. \( \ce{N^3-} \)B. \( \ce{P^3-} \)C. \( \ce{O^2-} \)D. \( \ce{F^-} \)
Q4. The hybridization of the central atom in \( \ce{IF7} \) is:A. \( sp^3d \)B. \( sp^3d^3 \)C. \( sp^3d^2 \)D. \( sp^3 \)
Q5. Which molecule has a bond order of 1 and is diamagnetic?A. \( \ce{O2} \)B. \( \ce{B2} \)C. \( \ce{Li2} \)D. \( \ce{NO} \)
Q6. The shape of \( \ce{XeF6} \) molecule is:A. OctahedralB. Pentagonal bipyramidalC. Distorted octahedralD. Square pyramidal
Q7. The hybridization of carbon in \( \ce{CO} \) molecule is:A. \( sp \)B. \( sp^2 \)C. \( sp^3 \)D. \( sp^3d \)
Q8. Which molecule has a double bond and a bond length of approximately 134 pm?A. \( \ce{N2} \)B. \( \ce{C2H4} \)C. \( \ce{CO} \)D. \( \ce{H2O} \)
Q9. Which molecule exhibits hydrogen bonding and has a linear geometry?A. \( \ce{H2O} \)B. \( \ce{HF} \)C. \( \ce{NH3} \)D. \( \ce{CH4} \)
Q10. Which species has a bond order of 2 and contains a triple bond in its Lewis structure?A. \( \ce{N2} \)B. \( \ce{CO} \)C. \( \ce{C2H2} \)D. \( \ce{O2} \)