The ionisation energy of nitrogen is more than oxygen because of $:-$
- AThe size of nitrogen atom is smaller
- BMore penetrating effect
- CMore attraction of electrons by the nucleus
- DThe stability of half-filled $p$-subshell
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In the second period of the modern periodic table,two elements $X$ and $Y$ have higher first ionization enthalpy values than the preceding and succeeding elements. $X$ and $Y$ are respectively
Which of the following is a favourable factor for cation formation?
Which ionisation potential $(IP)$ in the following equations involves the greatest amount of energy?
Medium
View SolutionAssertion : First ionization energy for nitrogen is lower than oxygen.
Reason : Across a period effective nuclear charge decreases.
Reason : Across a period effective nuclear charge decreases.
MediumAIIMS 2005
View SolutionWhich one of the following is the correct order of the second ionisation potential of $Na$,$Ne$,$Mg$,and $Al$?
DifficultAP EAMCET 2011
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