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Which of the following is the wrong statement?
Option: 1
Ozone is diamagnetic gas

Option: 2
$\mathrm{ONCl}$ and $\mathrm{ONO ^{-}}$ are isoelectronic

Option: 3
$\mathrm{O_3}$ molecule is bent.

Option: 4
Ozone is violet - black in solid state.

Answers (1)

best_answer

Isoelectronic species are those which have the same number of electrons.

$\text { ONCl}$ and $\text { ONO}^{-}$ have different number of electrons.

$\text { ONCl }$ = 8+7+17=32 electron

$\mathrm{ONO^-}$ =8+7+8+1=24 electron

$\mathrm{O_3}$ is a bent-shaped molecule. The structure of Ozone is given as

Image result for shape of o3

And $\mathrm{O_3}$ is diamagnetic gas and it exists as a pale blue gas, dark blue liquid and violet-black solid

Therefore, option (2) is correct.

Posted by

vinayak

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