Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 70

HARD

11th CBSE

IMPORTANT

Earn 100

Explain the following observations: $O_{2}^{-}$ is paramagnetic but $O_{2}^{2 -}$ is not.

Important Questions on Chemical Bonding and Molecular Structure

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 1

What do you mean by chemical bonding? How does atoms combine? How many types of bonds are there?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 2

What are essential conditions for formation of ionic bond? Explain formation of ionic bond between an atom of

Na

and

Cl

?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 3

Describe various characteristics of electrovalent compounds?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 4

What is VSEPR theory? How does it explain the bond angles observed in

{CH}_{4}, {NH}_{3}

and

H_{2} O

molecule?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 5

Explain the formation of covalent bond on the basis of Lewis concept.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 5

Explain the formation of covalent bond on the basis of valence bond theory, taking at least three suitable examples in each case.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 6

Briefly describe valence bond theory of covalent bond. How can you interpret it in terms of energy consideration?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>ADDITIONAL QUESTIONS>Q 7

Explain briefly quantum theory of covalent bond formation?