First slide

Hydrogen

Question

Which of the following has the highest proton affinity ?

Moderate

A

Stibine $({SbH}_{3})$
B

Arsine $({AsH}_{3})$
C

Phosphine $({PH}_{3})$
D

Ammonia $({NH}_{3})$

Solution

High electron density on small N atom repel lone pair, making it more available for protonation. From P to Bi size of atom increases and so lone pair becomes less available for protonation.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App