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  • Arrange the following hydrides in the order of increasing thermal stability : <img alt="NH_3 , PH_3 , AsH_3 , BiH_3 , SbH_3" src="/latex-image/?NH_3%20%2C%20PH_3%20%2C%20AsH_3%20%2C%20BiH_3%20

Arrange the following hydrides in the order of increasing thermal stability : NH_3 , PH_3 , AsH_3 , BiH_3 , SbH_3

Option: 1

BiH_3 < SbH_3 < AsH_3 < PH_3 < NH_3


Option: 2

SbH_3 < BiH_3 < AsH_3 < PH_3 < NH_3


Option: 3

NH_3 < PH_3 < AsH_3 < SbH_3 < BiH_3


Option: 4

NH_3 < PH_3 < AsH_3 < BiH_3 < SbH_3


Answers (1)

best_answer

Thermal stability of hydrides of a group decreases as electronegativity decreases and the size of the central atom increases

Therefore, option(1) is correct.

Posted by

Pankaj Sanodiya

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