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Periodic Table And Periodicity

JEE Main 2022 (Online) 29th June Evening Shift

MCQ+4 / -12022

Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R.


Assertion A : The first ionization enthalpy for oxygen is lower than that of nitrogen.


Reason R : The four electrons in 2p orbitals of oxygen experience more electron-electron repulsion.


In the light of the above statements, choose the correct answer from the options given below.

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