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Which has equal carbon–carbon bond length?...

Question

Which has equal carbon–carbon bond length?

Which has equal carbon–carbon bond length?



Answers

Which has equal carbon–carbon bond length?

This is the answer to Chapter one problem. Number 31. Fromthe Smith Organic chemistry Textbook on this problem asks us to compare Ah Siri's of four molecules repairs of molecules looking at two bonds within each molecule or within each pair. Andi were asked to decide which bond, Um uh, in each pair of bonds is shorter, and so remember, the stronger bond is the shorter it's going to be, Um, and remember that's going to depend on its percent s character, um, and therefore the hybridization of the two Adams involved in the bond. Um, so a is very straightforward. A is comparing a carbon carbon triple bond with a carbon carbon double bond. Ah, and of course, the carbon carbon triple bond is going to be stronger. Ah, and so the triple bond is going to be shorter. Um, so then, looking at B likewise, we're comparing a carbon nitrogen double bond to a carbon nitrogen single bond. So again, the double bond is going to be stronger. Ah, and therefore, the double bond is going to be shorter. I'm in. I'm circling the correct answer in green. Here s so then looking at C c requires maybe a little bit more thought so. In each instance, we're comparing a carbon bound to a hydrogen. Um however, in the formaldehyde carbon is sp two hybridized because it has a double bond to that oxygen. Uh, in the mess in all, which is the monitor. All right. The carbon is sp three hybridized because it has just a single bond to the oxygen there. Um, so the bond in the formaldehyde has 33% s character s. Oh, it's going to be a shorter bond. Um, because the carbon is sp two hybridized, whereas in the methanol, the carbon is as p three hybridized. And so we can follow that exact same logic for part D of this problem. Um, So again, in the molecule on the left, the nitrogen is SP to hybridize that has a double bond to carbon on in the molecule on the right, it's sp three hybridized. It only has a single bond to the carpet on DSO because it's SP two hybridized. Its bond to the hydrogen is going to have more s character, and it's going to be a shorter bond. So again, that's the answer. And again, the reasoning is the same as C. Ah, and that's the answer to Chapter one problem number 31

This is the answer to Chapter one problem number 73 from the Smith Organic Chemistry textbook. Um, and we were asked to look at to Siri's bonds on and talk about, uh, compare them in terms of length. Um and so part A here is actually in order. So remember triple bond eyes going to be shorter than a double bond, which will be shorter than a single bond. So the triple bond is gonna be the shortest double eyes going to be, uh, intermediate to a triple in a single and then a single bond eyes going to be the longest support. A is pretty straightforward. Eso for part B. Here. We have to look at these three bonds within the same molecule. I'm going to make this comparison. We need to look at the hybridization of the carbon. So each of these is a carbon hydrogen bond. Um, and it's it's going to come down to the hybridization off the carbons and therefore the percent s character off the bond. So the 1st 1 the carbon, uh, that's part of this bond that we're looking at has a triple bond to another carbon. So the carbon is um uh huh. SP hybridized eso. It's going to have the highest possible percent s character. Um and so it's going to be the shortest here, so are the next carbon is sp two hybridized s. So it's going to have intermediate s character. So it's going to be Ah, the the in the middle. Um, and then the C s p three carbon in the third bond, um is going to have the least s character. Ah, and so it is going to be the longest. Um, yeah. So when you're comparing when you're directly comparing double triple in single bonds, that's pretty easy. Triple is gonna be the shortest, a double in the middle and single bond the longest. When you're comparing three carbon hydrogen single bonds as we are in part B, we need to look at the hybridization sze of the carbons involved in these bonds and remember other way that as p character works So, uh, on SP carbon is gonna be 50% s character, So that would be the shortest. An SP two carbon will be 33% s character, so that will be in the middle. And Annette s P three Carbon will have 25% s character, so that will be the longest on That's the answer to Chapter one problem number 73.

The average distance between the nuclei of two bounded Adams is what we call the bond length and weaken. Describe the bond length for both Ionic and Covalin bonding. The factors that can influence bond length include the size of the Adam, the multiplicity of the Adam, as well as the hybridization of our orbital's. For example, if our Adam is a larger, we will have a larger bond length and our bond life will decrease when our multiplicity increases. For example, we can consider a double bond between two carbon atoms and a triple bond between two carbon atoms. And finally, the type of orbital determines bond link. So an example would be an s orbital, and it s orbital indicates a shorter bond length.

Potential energy typically decreases as bond length decreases until we reach a minimum. Then, once we reach a minimum in this potential energy diagram, as the bond length gets any shorter, we're going to be forcing those positively charged nuclei together and the potential energy will increase. So generally speaking, bond length decreases. Our potential energy decreases as bond length decreases until we reach the minimum.


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