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Which among the following is paramagneti...

Which among the following is paramagnetic ?

A

`Cl_2O`

B

`ClO_2`

C

`Cl_2O_7`

D

`Cl_2O_6`

Text Solution

Verified by Experts

The correct Answer is:
B
A species with one or more unpaired electron is paramagnetic
No. of valence electrons in `Cl_2O`
= 7 x 2 + 6 = 20 (even)
No. of valence electrons in `ClO_2`
= 7+6 x 2 =19 (odd)
No. of valence electrons in `Cl_2O_7`
=7 x 2 + 6 x 7 =56 (even)
No. of valence electrons in `Cl_2O_6`
= 7 x 2+ 6 x 6 = 50 (even)
Thus, `ClO_2` is expected to be paramagnetic.
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