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Byju's Answer

Standard XII

Chemistry

Hyperconjugation

Which is more...

Question

Which is more stable N2- or N2+ and why, since the bond order will be the same?

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Solution

Bond order of both N2+ and N2- is 2.5, but according the molecular orbital theory, N2- has more antibonding electrons than N2+. Also, more antibonding electrons lead to instability.

Thus N2+ is more stable than N2-

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Similar questions

Q. Assertion :Bond order for

N_{2}^{+}

and

N_{2}^{-}

are same but

N_{2}^{+}

is more stable than

N_{2}^{-}

. Reason: Anitbonding electrons are more in

N_{2}^{-}

Q. Bond order of

N_{2}^{+}, N_{2}^{-}

and

N_{2}

will be:

$S_{1}$ : Bond order of $O_{2}^{-}$ is more than $O_{2}^{+}$
$S_{2}$ : $N O^{+}$ is more stable than $N_{2}^{+}$
$S_{3}$ : $C_{2}$ is more stable than $C_{2}^{+}$
State, in order, whether $S_{1}$ , $S_{2}$ , $S_{3}$ are true or false ?

Q. Assertion :Bond order for

{C O}^{+}

is more than bond order in

C O

whereas bond order in

N_{2}^{+}

is less than

N_{2}

whereas both are isoelectronics. Reason: Both have same bond order.

Q. Assertion :The number of bonding electrons in

N_{2}

and

N_{2}^{-}

is same. Reason: The bond order and bond length of

N_{2}^{+}

and

N_{2}^{-}

are same.

Read the above assertion and reason and choose the correct option regarding it.

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Which is more stable N2- or N2+ and why, since the bond order will be the same?

Bond order of both N2+ and N2- is 2.5, but according the molecular orbital theory, N2- has more antibonding electrons than N2+. Also, more antibonding electrons lead to instability. Thus N2+ is more stable than N2-

Bond order of both N2+ and N2- is 2.5, but according the molecular orbital theory, N2- has more antibonding electrons than N2+. Also, more antibonding electrons lead to instability.

Thus N2+ is more stable than N2-