Ch-6 Chemical Bonding Leave a Comment / By abdulslambsn@gmail.com / October 6, 2025 Welcome To Your Quiz "Ch-6 Chemical Bonding" Click on "Start Quiz" To Continue... 1. Which of the following molecules has a coordinate covalent bond? HСІ NaCl NH4CI AICI3 None 2. Ionic compounds are mostly obtained by the combination of group: 3 and 5 2 and 5 4 and 8 1 and 7 None 3. In sp² hybridization, the orbitals are oriented at an angle of: 109.5° 120° 180° 0° None 4. Which of the following species has unpaired electron in anti bonding molecular orbitals? H2 He2 02+2 N₂-2 None 5. Carbon dioxide and methane have dipole moment value: Zero and 1.85. D( 1.70 D and 1.80 D Both have zero None of these None 6. Оctet rule is not followed in the formation of: NF3 CF4 CCl4 PCl5 None 7. Total number of bonds in C2H4 molecule is: 6 2 8 4 None 8. Ionic, covalent and co-ordinate covalent bond are present in: SO2 NH4CI C2H2 H2O None 9. Bond angle between H-S-H bonds is: 105.5° 107.5° 92° 95° None 10. The number of electrons shared in SF6: 4 12 6 8 None 11. Which of hydrogen halides has highest % of ionic character? HCl HBr HF HI None 12. The geometry of ethane is: Tetrahedral Trigonal planar Linear V-shaped None 13. The paramagnetic property of oxygen is well-explained on the basis of: VSEPR theory VB theory MO theory None of these None 14. The bond order of N2 according to MO theory is: 0 1 2 3 None 15. The molecule which can not form co-ordinate covalent bond with H+ ion is: NH3 H20 PH3 CH4 None 16. Which of the following species has configuration of Neon? Na+ Ca+2 CI-1 None of these None 17. M.O.T was proposed by: Moseley Werner Kossel Mullikan None 18. The number of bonds in Nitrogen molecule is: One sigma and one Pi One sigma and two Pi Three sigma only Two sigma and one Pi None 19. O2 molecule is paramagnetic because: Bonding electrons are equal to the anti-bonding electrons Bonding electrons are more than anti-bonding electrons Bonding electrons are less than anti-bonding electron It contains unpaired electrons None 20. NH3 has a net dipole moment, but BF3 has zero dipole movement because: B is less electronegative than N F is more electronegative than N BF3 is pyramidal while NH3 is planar NH3 is pyramidal while BF3 is trigonal planar None 21. The bond energy of hydrogen molecule is KJ/mole: 436 440 420 460 None 22. The value of dipole moment of CS2 is: 0.12D 0D 1.61D 0.95D None 23. The elements having low ionization energy are: Non-metal Metals Semi-metal Metalloids None 24. Which of the following is not isoelectronic with rest of the threе? K+ Na+ Cl- S-2 None 25. Total number of sigma bonds in Ethyne (CH=CH) are: 5 3 2 4 None 26. Formation of chemical bond takes place when: Energy is absorbed Forces of repulsion overcome forces of attraction Forces of attraction are equal to forces of repulsion Forces of attraction overcome forces of repulsion None 27. The shielding effect is responsible for: The decrease in nuclear attractive influence over the valence electrons The increase in nuclear attractive influence over the valence electrons The decrease repulsion between nucleus and inner electrons The increase in attraction between nucleus and inner electrons. None 28. The nature of bond in diamond is: Electrovalent Covalent Metallic Co-ordinate covalent None 29. Maximum electronegativity is of: N F O Cl None 30. Which of the hydrogen halides has the highest percentage of acid character: HCl HBr HF HI None 1 out of 6 Thanks For Taking This Quiz - Please See Your Answers/Results Below After Entering Your Name & Email... Name Email Time's up
