TMA2 CHM307 ATOMIC MOLECULAR STRUCTURE AND SYMMETRY

1. Oxygen has 8 electron in its bonding orbital and 4 in antibonding orbital, calculate its bond order.
2. 2
3. 3
4. 4
5. 5

The answer is A. 2

2. The following are the main aspects of quantum principle except____?
3. Bond length calculation
4. Wave-particle duality
5. Quatised energy
6. Accurate prediction of the structure

The answer is A. Bond length calculation

3. The measure of the strength of a chemical bond is called?
4. Bond dissociation energy
5. Bond association energy
6. Bond order
7. Bond dimension

The answer is C. Bond energy

4. The energy of bonding molecular orbital is ?
5. Higher than that of non-bonding
6. Lower than that of non-bonding
7. Equal to that of non-bonding
8. None of the option

The answer is D. None of the option

5. The application of quantum mechanical principles and equation to the study of molecule is called____?
6. Quantum chemistry
7. Quantum mechanics
8. Quantum number
9. Quantum principle

The answer is A. Quantum chemistry

6. The wave function for a matter wave can be represented as mu(x, y, z), meaning it is a ______?
7. Five dimensional object
8. Four dimensional object
9. Three dimensional object
10. Two dimensional object

The answer is C. Three dimensional object

7. The H. O. H angle is 105 degrees less than the ideal tetrahedral angle of 109.5 degree because?
8. Bonding electron pairs require less space
9. Bonding electron pairs requires more space
10. Ione electron pairs require less space
11. Ione electron pairs require more space

The answer is D. Ione electron pairs requires more space

8. The number of Hamiltonian principal state that operators of a particle used in the schrodingar wave equation is ?
9. 8
10. 6
11. 4
12. 2

The answer is D. 2

9. Paramagnetic atoms or molecule are attracts to a magnetic field
10. True
11. False
12. Unsure
13. None of the option

The answer is A. True