If the electronegativities of H , N , P , As , Sb are 2.1 , 3 , 2.1 , 2 , 1.9 then arrange in order of decreasing polarity of bonds in SbH3 , AsH3 , PH3 and NH3 .
If the electronegativities of H , N , P , As , Sb are 2.1 , 3 , 2.1 , 2 , 1.9 then arrange in order of decreasing polarity of bonds in SbH3 , AsH3 , PH3 and NH3 .