The decreasing values of bond angles from NH_{3} (106°) to SbH_{3} (101°) down group­-15 of the periodic table is due to

  • Option 1)

    increasing bond-­bond pair repulsion

  • Option 2)

    increasing p-orbital character in sp^{3} 

  • Option 3)

    decreasing lone pair­-bond pair repulsion

  • Option 4)

    decreasing electronegativity.

 

Answers (1)

As we learnt in

Electronegativity -

A qualitative measure of the ability of an atom in a chemical compound to attract shared electron is electronegativity.

- wherein

It is not a measurable quantity.

 

 Because of increased bond length of Sb-H bond as compared to N-H bond, the repulsion between lone pair - bond pair electron decreases, resulting in lesser bond angle.


Option 1)

increasing bond-­bond pair repulsion

This option is incorrect.

Option 2)

increasing p-orbital character in sp^{3} 

This option is incorrect.

Option 3)

decreasing lone pair­-bond pair repulsion

This option is correct.

Option 4)

decreasing electronegativity.

This option is incorrect.

Most Viewed Questions

Preparation Products

Knockout JEE Main April 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout JEE Main May 2021

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 22999/- ₹ 9999/-
Buy Now
Test Series JEE Main May 2021

Unlimited Chapter Wise Tests, Unlimited Subject Wise Tests, Unlimited Full Mock Tests, Get Personalized Performance Analysis Report,.

₹ 6999/- ₹ 2999/-
Buy Now
Knockout JEE Main May 2022

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 34999/- ₹ 14999/-
Buy Now
JEE Main Rank Booster 2021

Booster and Kadha Video Lectures, Unlimited Full Mock Test, Adaptive Time Table, 24x7 Doubt Chat Support,.

₹ 13999/- ₹ 6999/-
Buy Now
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions