Chapter 6

Chapter # 6

1. What is dipole moment give its mathematical form?

2. Sigma bond is stronger than pi bond .why?

3. The radius of anion is larger than atomic radius .why?

4. Ionization energy increase along period why?

5. How MOT justify that He₂ molecule do not exist?

6. Define covalent bond give two example?

7. Draw geometry of SO₂ and SO₃ on the basis of VSEPR theory?

8. Why second ionization energy of an element is always greater than first ionization energy?

9. Why molecular orbital theory is superior to VSEPR theory and VB theory?

10. Why pi bond are more diffused than sigma bond?

11. Define covalent radius with example?

12. How a co-ordinate covalent bond differ from covalent bond?

13. Define dipole moment and give example?