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Which of the following properties is not...

Which of the following properties is not shown by `NO` ?

A

It combines with oxygen to form nitrogen dioxide.

B

It's bond order is `2.5`

C

It is diamagnetic in gaseous state

D

It is a neutral oxide.

Text Solution

Verified by Experts

The correct Answer is:
C
`(a),(b)` and `(d)` are correct but `( c)` is incorrect.
`: dot N = ddot O:`
`NO` is paramagnetic in gaseous state due to the presence of unpaired electron in its structure and is neutral oxide.
Calculation of bond order :
Total number of electrons `= 7 + 8 = 15`
Remaining `p` electrons `= 15 - 8 = 7`
`N_b = 6, Na = 1`
`B.O. = (1)/(2) (6 - 1) = 2.5`.
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