Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 18

MEDIUM

11th Telangana Board

IMPORTANT

Earn 100

Use Lewis symbols to show electron transfer between the following pairs of atoms to form cations and anions.

$Al$ and $N$ .

Important Questions on Chemical Bonding and Molecular Structure

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 19

Explain why

H_{2} O

has dipole moment while,

{CO}_{2}

does not have.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 20

Define dipole moment. Write its applications.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 21

Explain, why

{BeF}_{2}

molecule has zero dipole moment although

Be - F

bonds are polar.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 22

Explain the structure of

{CH}_{4}

.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 23

Explain polar covalent bond with suitable example.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 24

Explain the shape and bond angle in

{BCl}_{3}

molecule in terms of Valence Bond Theory.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 25

What are

σ

and

π

bonds? Specify the differences between them.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 3 - Chemical Bonding and Molecular Structure>QUESTIONS>Q 26

Even though nitrogen in ammonia is in

{sp}^{3}

-hybridisation, the bond angle deviate from

109^{°} 28^{}

. Explain.