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4.Chemical Bonding and Molecular Structure
hard
After understanding the assertion and reason, choose the correct option.
Assertion : In the bonding molecular orbital $(MO)$ of $H_2,$ electron density is increased between the nuclei.
Reason : The bonding $MO$ is ${\psi _A}\, + \,\,{\psi _{B,}}$ which shows destructive interference of the combining electron waves.
A
Assertion is incorrect, reason is correct.
B
Assertion is correct, reason is incorrect
C
Assertion and reason are correct and reason is the correct explanation for the assertion
D
Assertion and reason are correct, but reason is not the correct explanation for the assertion
(JEE MAIN-2015)
Solution
Assertion is correct but reason is incorrect. Bonding $MO$ shows constructive interference of the combining electron oxide waves.
Standard 11
Chemistry
