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 electorn repulsion.

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

Option 1 - <p>Both <strong>A</strong> and<strong> B</strong> are correct and <strong>R </strong>is the correct explanation of <strong>A.</strong></p>
Option 2 - <p>Both <strong>A </strong>and <strong>R </strong>are correct but <strong>R </strong>is NOT the correct explanation of <strong>A.</strong></p>
Option 3 - <p><strong>A </strong>&nbsp;is correct but <strong>R </strong>is not correct.</p>
Option 4 - <p><strong>A </strong>is not correct but <strong>R </strong>is correct.</p>
6 Views|Posted 6 months ago
Asked by Shiksha User
1 Answer
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6 months ago
Correct Option - 1
Detailed Solution:

1st ionization energy of N>O in oxygen atom, 2 electrons out of 4 electron of 2p orbital resulting in an increased electron repulsion.

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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