Out of the following which one has greater ionisation enthalpy and why? (i) N/P (ii) F / Ne
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(i) C has the greater first ionization enthalpy. As we move from B to C, the first ionization enthalpy increases due to progressively increasing nuclear charge and decreasing atomic radius.
(ii) N has the greater first ionization enthalpy. The first ionization enthalpy of oxygen is lower than that of N, due to the following reasons.
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Answer:
(i) C has the greater first ionization enthalpy. As we move from B to C, the first ionization enthalpy increases due to progressively increasing nuclear charge and decreasing atomic radius.
(ii) N has the greater first ionization enthalpy. The first ionization enthalpy of oxygen is lower than that of N, due to the following reasons.
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