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JEE Main 2025 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2025

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 :

Answer: (1)

Solution

Phosphorus is the main component of apatite family (calcium phosphate mineral). First ionisation enthalpy of P is 1012 kJ/mol.

Question ID VK-002411