Boiling point values (in K) of hydrides of Group 15 elements are given as follows( not necessarily in order)
185.5 , 210.6 , 254.6 , 238.5 and 290.
The element who hydride has boiling point 238.5 K is "E", then the maximum covalency of element "E" is

Question

Boiling point values (in K) of hydrides of Group 15 elements are given as follows( not necessarily in order)

185.5 , 210.6 , 254.6 , 238.5 and 290.

The element who hydride has boiling point 238.5 K is "E", then the maximum covalency of element "E" is

TestHub · Accepted Answer

Boiling point order B i H 3 ​ > S b H 3 ​ > N H 3 ​ > A s H 3 ​ > P H 3 ​ E = Nitrogen Maxium covalency of Nitrogen is 4.

Chemistry - Complete P-block Question with Solution | TestHub