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Q1. Which bonds are formed by a carbon atom with sp2 hybridization? (A) 4 TT bonds (B) 2 bonds and 2 ơ bonds (C) 1m bond and 3 ơ bonds (D) 4 ơt (A) 1 (B) 2 (C) 3 (D) 4 (A) 2 (B) 4 (C) 6 (D) 8 (A) As (B) Ge (C) P (D) Sn Q2. How many resonance forms can be written for the nitrate ion, NOs? Q3. How many sigma bonds does propyne, C3H4, have? Q4. Which element has the greatest electrical conductivity? Q5. How many valence electrons are in a persulfate ion, SO-2 (A) 32 (B) 34 (C) 36 (D) 38 Q6. Which diatomic molecule contains the strongest bond? (A) H-CI (B) H-F (C) C-CI (D) F-F (A) all 120 (B) all 109.5 (C) all 90 (D) two 90, one 180 (A) BCls (B) NCl3 (C) CHCl (D) PCls Q7. The O-N-O bond angles in the nitrate ion, NO3, are best described as be Q8. Which molecule has no permanent dipole moment? enerav?
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