Published by:
CGP EDU Academic Team
Published on: August 13, 2026
First ionisation enthalpy values of first four group 15 elements are given below. Choose the
correct value for the element that is a main component of apatite family:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The main component of apatite family is phosphorus.
Order of 
of group 15 elements 
IE of phosphorus 
.
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