1. Tardigrade
  2. Question
  3. Chemistry
  4. The decreasing order of the bond moment of E-H bond in NH3 , PH3 , AsH3 and SbH3 is given by

Q. The decreasing order of the bond moment of E-H bond in NH3 , PH3 , AsH3 and SbH3 is given by

 1510  211 NTA AbhyasNTA Abhyas 2020Classification of Elements and Periodicity in Properties Report Error

Solution:

Electronegativities of N(3.0), P (2.1), As (2.0), Sb (1.9) and H (2.1) point out clearly that the correct order of decreasing polarity is :

NH3 > SbH3 > AsH3 > PH3