First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value of the element that is a main component of apatite family : (A) 1402 kJ mol–1 (B) 1012 kJ mol

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Question

First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value of the element that is a main component of apatite family :

(A) 1402 kJ mol–1
(B) 1012 kJ mol–1
(C) 834 kJ mol–1
(D) 947 kJ mol–1

Prashant Kotian · Accepted Answer

Correct answer: B. Element is P phosphorous

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