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Which of the following oxides are paramagnetic: $\mathrm{NO}_{2} ;$ NO; $\mathrm{N}_{2} \mathrm{O}_{3} ; \mathrm{CO}_{2} ; \mathrm{CO} ; \mathrm{ClO}_{2} ; \mathrm{Cl}_{2} \mathrm{O}_{7} ?$ (Sections 27.3, 27.4, 27.6)

Chemistry 101

Chapter 27

$p$-Block chemistry

Nonmetals Chemistry

University of Kentucky

Brown University

University of Toronto

Lectures

00:43

Which of the following oxi…

01:01

01:22

Which of the following pai…

01:40

00:40

Which among the following …

02:12

Which of the following nit…

Hello everyone. Let us see the following question. So we have a few compounds given which of the following oxides are para magnetic. So we have to find out that. But magnetic comports. So we know that para magnetic components will contain unparalled electrons and very electrodes in the central atom. So let us do one by one. So in option A So infrastructure we have N. No. So let us find out the oxidation number here. So N. And two oxygen. So nitrogen plus two into minus two. That would be in minus four equal to zero, so N is equal to plus for oxidation states. So nitrogen has two years to two P two. Sorry to P three configuration with the previous noble gasses, helium. So in that plus four oxidation state will be in plus four will be helium two years 1. There is an unparalled electron. Therefore para magnetic, let's find out about the second one. You know. So here oxygen is minus two, so yen is equal to plus two oxidation state. So nitrogen with the plus two oxidation state will be helium two years two and two P one. So there is a non period electron into P level. Hence cities magnetic. Alright, next one will be the next molecule will be into so two, nitrogen plus three oxygen, So two, nitrogen plus three into minus two. So two, nitrogen minus six is equal to zero, so two, nitrogen is equal to plus six or nitrogen is equal to plus three. So nitrogen at plus three oxidation state will be helium two years two. So there is no one third electron. So dia magnetic next will be carbon dioxide. So carbon dioxide carbon plus two, oxygen. Carbon plus two into minus two is equal to zero or carbon minus four is equal to zero, or carbon is equal to plus four. So carbon in the ground state has a configuration of helium two years two to be too. So carbon at plus four configuration has helium, there is no unburied electron. So dia magnetic now next will be Next will be carbon monoxide, that is carbon in plus two oxidation stay. So carbon in plus two oxidation state has a helium two years once again, No and third electron and diarrhea magnetic next will be cl photo. So the molecule cielo two will be cl photo that is one chlorine plus two, oxygen is equal to zero clothing. Plus here oxygen will be in plus two oxidation state. Okay, so chlorine with then CEL is equal to -4 floating in ground state has a configuration of neon three years two, three P. Right, So then we have cl -4. That is neon Three years to it gains electrons. So three p. 6. Okay, and it feels the next next level. So that means it will undergo oxidation state where it will have three more electrons in D level. So that means in three D three. So there are hen cities para max. Mhm I think. Okay, so if oxygen is minus two, solid here, oxygen should be minus two. So clothing is in plus one plus four oxidation. That means this will be three p one. That means still para magnetic. So next two cl 2 all seven. So in cl 207 to clothing plus seven, oxygen is equal to zero. That is to clothing plus seven into oxygen is minus two is equal to zero to clothing minus 14 is equal to zero. To chlorine is equal to plus 14 are chlorine is in plus seven oxidation state. So that is chlorine in plus oxidation plus seventies neon neons configuration. It lost The three S 2, three p 5 total seven electrons are lost from the outer shell. So here also know an electron better magnetic. Therefore the right answer for what we have got his CV held by a magnetic nature cds and paired electrons in no time. Okay. And paired electron and no to this is dire magnet. E here no unfair electron by a magnetic. No unfair electron. They are magnetic. Okay. Uh sorry there is an electron. This is diana magnetic. So therefore the answers will be too. and cl only three molecules are dynamic. So they are having No one buried electrons. See we made a mistake here. So this has to be having anti electron. He's better than the next molecule has no unburied electoral. So this is by a majority. So which of them are para magnetic. Now The one which contains only unpeeled electron that we had in and no. two. Okay. See there was unfurled electron here then in any there was an electron here Then. Not in two or 3. Not in CO2. Not in Then. Cielo two. We had a very electron. Okay, so this, Cielo to are the right answer. Thank you.

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