[Solved] Which out of NH3 and NF3 has higher dipole moment and why? - Chemistry Part-I

Name: Video solution 1: [Solved] Which out of NH3 and NF3 has higher dipole moment and why? - Chemistry Part-I
Uploaded: 2022-10-04T08:30:39.000Z
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Description: Video solution 1: [Solved] Which out of NH3 and NF3 has higher dipole moment and why? - Chemistry Part-I

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Chemistry Part-I

Chemical Bonding and Molecular Structure

Which out of NH_{3} and NF_{3} has higher dipole moment an

Chemistry Part-I

Class 11

NCERT

Chapter 1: Some Basic Concepts of Chemistry

44 questions

Chapter 2: Structure of Atom

85 questions

Chapter 3: Classification of Elements and Periodicity in Properties

50 questions

Chapter 4: Chemical Bonding and Molecular Structure

44 questions

Explain why

B e H_{2}

molecule has a zero dipole moment although the

B e - H

bonds are polar.

Which out of

N H_{3}

and

N F_{3}

has higher dipole moment and why?

What is meant by hybridisation of atomic orbitals? Describe the shapes of

s p

s p^{2}

s p^{3}

hybrid orbitals.

View all question

Chapter 5: States of Matter

28 questions

Chapter 6: Thermodynamics and Thermochemistry

36 questions

Chapter 7: Equilibrium

101 questions

Question

Medium

Solving time: 4 mins

Which out of $N H_{3}$ and $N F_{3}$ has higher dipole moment and why?

Views: 6,304 students

Updated on: Mar 16, 2023

Book:

Chemistry Part-I (NCERT)

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Chloe Discussed

Which out of

N H_{3}

and

N F_{3}

has higher dipole moment and why?

11 mins ago

Discuss this question LIVE

11 mins ago

Text solutionVerified

The dipole moment of ammonia

(1.47 D)

is higher than the dipole moment of

N F_{3}

(0.24 D)

. The molecular geometry is pyramidal for both the molecules. In each molecule, N atom has one lone pair. F is more electronegative than H and

N - F

bond is more polar than

N - H

bond. Hence,

N F_{3}

is expected to have much larger dipole moment than

N H_{3}

. However reverse is true as in case of ammonia, the direction of the lone pair dipole moment and the bond pair dipole moment is same whereas in case of

N F_{3}

it is opposite. Thus, in ammonia molecule, individual dipole moment vectors add whereas in

N F_{3}

, they cancel each other.

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Practice more questions from Chemistry Part-I (NCERT)

Explain why

B e H_{2}

molecule has a zero dipole moment although the

B e - H

bonds are polar.

Which out of

N H_{3}

and

N F_{3}

has higher dipole moment and why?

What is meant by hybridisation of atomic orbitals? Describe the shapes of

s p

s p^{2}

s p^{3}

hybrid orbitals.

View all

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Question Text	Which out of $N H_{3}$ and $N F_{3}$ has higher dipole moment and why?
Updated On	Mar 16, 2023
Topic	Chemical Bonding and Molecular Structure
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 2
Upvotes	253
Avg. Video Duration	4 min

Which out of $N H_{3}$ and $N F_{3}$ has higher dipole moment and why?

Text solutionVerified

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