Chemistry, asked by mausamkumar, 9 months ago

Which of the following is Paramagnetic with one unpaired electron? 1.BaO2 2.CaC2 3.O2 4.KO2

Answers

Answered by priyadarshine
1

Answer:

O2

Explanation:

Even though O2 has 16 electrons, it is not diqmagnetic. It is paramagnetic...Its an exception...

Please remember it...

I hope it helps u my frnd

Answered by archanajhaasl
0

Answer:

KO₂ is Paramagnetic with one unpaired electron i.e.option(4).

Explanation:

  • When exposed to a magnetic field, paramagnetic materials have a propensity to become weakly magnetized in the direction of the magnetizing field. Permanent magnetic or dipole moments exist in paramagnetic materials. In contrast, materials tend to lose their magnetic properties when the applied field is removed.
  • We categorize compounds as paramagnetic when they have an unpaired electron in their compound.
  • BaO₂=barium peroxide. It has O₂⁻² ion. And the total number of electrons in the ion is 18. So, it has paired electron.
  • CaC₂=calcium carbide. It has C₂⁻² ion. And the total number of electrons in the ion is 14. So, it has paired electron.
  • O₂=oxygen.The total number of electrons in the molecule is 16. So, it has paired electron.
  • KO₂=potassium superoxide. It has O₂⁻¹ ion. And the total number of electrons in the ion is 17. So, it has an unpaired electron. It is paramagnetic in nature.

Hence, the correct answer among the given options is (4) i.e.KO₂.

#SPJ2

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