The correct order of ionisation energy for comparing carbon, nitrogen and oxygen

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The correct order of ionisation energy for comparing carbon, nitrogen and oxygen is

Options

(a) CO
(b) C>N (c) C>N>O
(d) C>N

Correct Answer:

CO

Explanation:

Nitreogen has more ionisation potential thaon carbon and oxygen, because, its outermost orbit is half-filled so, it is more stable and order is CO.

Related Questions:

1. Which one of the following is correctly matched
2. If ionization potential for hydrogen atom is 13.6eV, then ionization potential
3. If 1 mL of water contains 20 drops then number of molecules in a drop of water
4. The reaction of an ester RCOOR’ with an alcohol R”OH in the presence of an acid
5. Heat of formation of H₂O(g) at 25⁰C is -243 kJ,ΔE for the reaction

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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