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Which of the following compounds have both polar covalent and onic bonds?NH_BrHzOzHCNH,SNone of theseBy accessing this Question Assistance you Will leam while you e...

Question

Which of the following compounds have both polar covalent and onic bonds?NH_BrHzOzHCNH,SNone of theseBy accessing this Question Assistance you Will leam while you eamn points based on the Point PotelMacBoolAir

Which of the following compounds have both polar covalent and onic bonds? NH_Br HzOz HCN H,S None of these By accessing this Question Assistance you Will leam while you eamn points based on the Point Potel MacBoolAir



Answers

Which of the following molecules has no polar octet rule? (a) $\mathrm{HCN} ;$ (b) $\mathrm{PF}_{3} ;$ (c) $\mathrm{CS}_{2}$; (d) $\mathrm{NO}$; (e) none of these.

The 00 bond the Oh bond age, the Oh bond age non polar, while while the Oh it's born age who learned due to due to the difference due to the difference in electronic negativity, due to the difference in electoral negativity, awful hydrogen and oxygen molecule. So according to the option option, see it correct here.

Again. This is just a podcast here where we're looking at drawing out some structures. So I've started with the 1st 2 examples already to save us some time there. So fastly we've got C two h two. So that is an AL kind of a hydrocarbon chain in the next withdrawn H seat and which is we've got Sigh and I'm present as a functional group there. So lastly, we'll just do our end to example. Well, with end to we know we have a triple bond and we have one lone pair on each nitrogen which accounts for all five electrons around each nitrogen. So now we're looking at the polarity after we finished our liver structures. So we have an element of symmetry here in our first all kind example. So this is not polar at school as are to die. Polls that are present here and here are cancelled out by one another. So again, the exact same reason for our die nitrogen is not polar Atal Nitrogen to nitrogen molecules has the exact same electro negativity. And therefore we have no disciple, no overall polarity. Our last example here is, in fact, polar as we can see. Here we have nitrogen, which is more Electra negative than carbon. So we have a die pull in the direction of our nitrogen. However, carbon is more Electra negative than hydrogen. So we have an overall die poll in the direction off in nitrogen.

So we are asked to determine whether each of these species is polar. Non polar or ionic. So H. Two, any element that's wanted to itself, The elections are going to be shared evenly and it's going to be non polar. Co violence. Okay. H. F. Um flooring pulled electrons much stronger than hygiene. And so therefore it's polar. Yeah, K three piece. So you have a medal in the non metal. So that makes it ionic CCL four and C. F. For its carbon with four bonds and then halogen surround it. So they're symmetrical and that makes them non polar, even though the bonds themselves are pulled. Mhm mm hmm. Okay. Uh an ai you have a medal in an all metal. So it's ionic Same thing with K two, S, potassium and sulfur here. And lastly, we have S. 02 electrons are not pulled equally between sulfur and oxygen and it's not symmetrical. Okay, okay. Like so with long hairs because of the Ben geometry, so that makes it cooler.

Problem. 1 47 says to classify the bonds in each of the following as either ionic non polar Covalin or polar Couvillon. So because ah, hydrogen gas here is, um, to Hydra Jin's found together, this is a, uh, non polar cove in that molecular, um, potassium, a metal found a phosphorus and non metal has very different Electra negativity ease, and metal nonmetal molecules generally suggests an ionic bond. Same goes with sodium iodide. And then, um s up to here is, uh, while it's a non metal mountain of the non metal, um, because of its electron arrangement around each of the atoms polar Good point between these two Adams here, flooring is much more Electra negative than hydrogen. And so again, we have a polar co Vaillant bond. And now these. Next You're a little bit tricky because while these molecules are non polar because they have a central carbon bound to, um surrounding Adam's that are very symmetrical either Corinne or flooring each of these bombs here, which the problem is asking about, is very polar. And then finally, we have another metal nonmetal grouping, Um, and each of thes sulfur potassium ponds is ionic, So a transfer of electrons, rather than sharing them


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