![]() So, let's show that bond, and then we have another carbon over here. Of a carbon to a carbon, and then let's go with dark blue. So, next let's make thisĬarbon right here in green. Let's assign our carbons first and we'll come back to our hydrogens. So, there's a bond to the carbon in red and there's a bond to thisĬarbon here in light blue. The carbon in magenta isīonded to two other carbons. So, let's look at this nextīond line structure here, and let's focus in on our carbon. And how many total hydrogens do we have? Well, if you count those up you'll get 12. So, now we've drawn out theĬomplete Lewis dot structure for this bond-line structure over here. The carbon in dark blueĪlready has one bond so it needs three more. So, if we think aboutĪ neutral carbon atom forming for bonds thatĬarbon needs two more bonds and those bonds are two hydrogens. We know that carbon isīonded to only one hydrogen. This carbon already have? Well, here's one, here's So, it needs three more bonds and those bonds are to hydrogen, right? So, it's implied that thoseīonds are to hydrogen. Next, let's go with this top carbon here. Two bonds to hydrogen, and three bonds to hydrogen. So, if that carbon already has one bond it needs three bonds to hydrogen. And a neutral carbonĪtom forms four bonds. The carbon in magentaĪlready has one bond. So, let's see how manyīonds we already have. Now, to do that you need to remember that a neutral carbonĪtom forms four bonds. Next, let's figure out how many hydrogens. In this molecule, right? So, five carbons. Right here in dark blue and I'll show that bond. And finally, there's one more carbon to think about so let me, let's see, what color do we need to use here? Let's use dark blue. And then let's use greenįor the next carbon so we have a carbon right here in green. I'll show the bondīetween those two carbons. Now we have another carbon, I'll use red, this one right here so theĬarbon in red is up here. So, there's a bondīetween those two carbons, and let me draw in that bond. So, that carbon in magentaĪll represented over here is bonded to another carbon, and I'll use light blue for that. And we'll start with thisĬarbon right here in magenta. So, let's do severalĮxamples of understanding bond line structures and the All right, let's just take some practice to figure out what theseīond-line structures mean. All right, so let's just take off those, let's take off those hydrogens. So, let me go ahead andĮrase what I just did here. All right, we just leave them off to make things easier to see. So, there still is a hydrogenīonded to that carbon. Our bond line structure and it's bonded to one more hydrogen. And the carbon in the middle, this red carbon here, isīonded to a OH, right? That's already shown in But again, we leave those off when we're drawing a bond line structure. The carbon on the right is still bonded to three hydrogens, all right. The carbon in blue is still bonded to three hydrogens, right? This carbon in blue is stillīonded to three hydrogens. Right is the one in magenta so that's this carbon right here. Throughout your course when you're looking chemical reactions. It contains the same information as our Lewis dot structure does. Pairs of electrons on the oxygen and we have our bond line structure. So, we take out those Cs and I'll leave off the lone Not drawing the Cs in here because it can get kinda confusing. We can leave out those carbons, right? So, the carbons are still there. And this carbon is bonded to an oxygen, and this oxygen is bonded to a hydrogen. And now we have our threeĬarbons drawn like that. The carbon hydrogen bonds so we're going to ignore Carbon is still bonded to these hydrogens but we're going to ignore themįor our bond line structure. If you were to draw everyĬarbon hydrogen bond in organic chemistry class So, when you're drawingĪ bond line structure and you have a carbon chain you wanna show that carbonĬhain in a zig zag pattern. You can see there's aīend to them like that. Those carbons are not inĪ perfectly straight line. Right does a little bit better job of showing what the molecule looks like in reality. If you look at the drawing on the left it implies that these three carbons are in a perfectly straight line but the drawing on the So, let's start this video by taking this Lewis dot structure and turning into a bond line structure. However we didn't have time to talk about bond line structure. >From this Lewis dot structure we looked at other ways to In the previous video we started with the molecular formula C3H8O and we looked at one of the possible Lewis dot structures that you can draw that has that molecular formula.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |