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Which of the following molecule is least stable?

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in Engineering Chemistry I by (506k points)
Which of the following molecule is least stable?

(a) NO^+

(b) N2

(c) NO

(d) O2

I had been asked this question by my school teacher while I was bunking the class.

The doubt is from Homonuclear and Heteronuclear Molecules topic in division Atoms to Molecules to Material’s for Engineers of Engineering Chemistry I

1 Answer

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Best answer
The correct option is (c) NO

Best explanation: In NO molecule there is a significant difference of about 250 kJ/mol in the energy of atomic orbitals involved.

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