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Online MCQ test on Chemical Bonding – Orbital Concept
– In this topic we offer you, online MCQ test in the fundmental of Chemical Bonding – Orbital Concept.
– It is a simple test to measure the strength of your knowledge in the basics of understanding the topics of Chemical Bonding – Orbital Concept.
– The test consists of only (20) questions (multiple choice) you must answer all of them so that your final score appears automatically at the top of the topic.
– you will pass the Exam If get 70% or more.
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#1. The bond order of a molecule is given by ______.
#2. A molecule of acetylene contains ____ .
#3. The strength of a bond depends upon ____.
#4. sp3 hybridization leads to ____.
#5. The carbon-carbon bond length is maximum in ____
#6. The shape of BF3 molecule is planar with bond angles equal to 120° each. It is due to ____ .
#7. Valence bond theory was proposed by _____
#8. The number of bonding and antibonding electrons respectively in CO molecule is ____ .
#9. The O2 molecule is paramagnetic. It can be explained on the basis of ___.
#10. When one s and two p orbitals hybridize we get _____.
#11. The total number of orbitals taking part in sp hybridization in carbon atom is ___ .
#12. The molecular orbitals formed as a result of LCAO method obey ___.
#13. In a N2 molecule there are _____.
#14. In dsp2 hybridization, the new orbitals have the following geometry ____.
#15. The species with the highest bond order among NO, CO, CN and O2 is ____.
#16. The free rotation about a bond exists when the bond is a ____ .
#17. The axial overlap between the two orbitals leads to the formation of a _____.
#18. When a chemical bond between two atoms is formed, the potential energy of the system _____.
#19. In PCl5 molecule the phosphorus atom is _____.
#20. In H2O, NH3 and CH4 molecules the oxygen, nitrogen and carbon atom are ____.
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