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N2 and O2 are converted into monoanions ...

`N_2` and `O_2` are converted into monoanions `N_2^-` and `O_2^-` respectively. Which of the following statements in wrong ?

A

In `N_2`, then N - N bond weakens

B

In `O_2`, the O - O bond order decreases

C

In `O_2`, bond length increases

D

`N_2^(-)` becomes diamagnetic

Text Solution

Verified by Experts

The correct Answer is:
D
Correct sequence of B.O. in increasing order is
`underset((B.O. = 2)(B.O. = 1.5))(O_2 gt O_2^(-))`
`underset((B.O. = 3)(B.O. = 2.5))(N_2 gt N_2^(-))`
Since B.O. is fractional so cannot be diamagnetic order of bond length is `O_2^(-) gt O_2`.
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ERRORLESS-CHEMICAL BONDING AND MOLECULAR STRUCTURE-NCERT BASED QUESTIONS (Molecular Orbital Theory)
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  2. Which of the following is paramagnetic

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  7. Which one does not exhibit paramagnetism

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  8. Substance which is weakly repelled by a magnetic field is

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  16. Among the following, the species with the highest bond order is-

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  17. The correct order of increasing C-O bond lengths in CO, CO3^(2-) and ...

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  18. The diamagnetic species is

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  19. In which of the following processes, the bond order has increased and ...

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  20. During the change of O(2) to O(2)^(-), the incoming electron goes to t...

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