<----Awww, begging to learn already. Ok we heard you! So Alkanes, Alkenes, Alkynes....and many more... what is the difference between them anyways? Chemists fiddling around with rhyming schemes? I think not. If you're jumping ahead without reading our previous blog post, I can assure you, you're not saving any time, but instead, you're wasting time. You won't get a heck out of this without the previous knowledge. Or else, you will just end up like me, hours ago... Yup, I am just one of you, not much different from our sincere blog visitors. I was just joking! I am much smarter than that. Way smarter... Without further ado, let's get into it. (To show you all my intelligence. And needless to say, I learn all this in...2 minutes.)So Alkenes are just some "flavoured" Alkanese. Oops, that was just some side-effects from having too much Pringles! Maybe something more scientific this time. Alkenes are organic compounds containing a double bond between carbons. Similarly, alkynes are organic compounds containing a triple bond between carbons.
The naming for akenes and alkynes, it's very similar to that of alkanes. You can recap that from our older post. The only difference is before you name/number all the branches, you name/number the double bond or triple bond first and place the naming in front of the parent name.
Yes, I can hear your desperate echo! Maybe, my wording isn't clear enough, let's try an example.
That is 2-butene. As simple as that!
Now, let's take a look at how the "real" geometric composition of these alkenes and alkynes.
For 2-pentene, there are two different geometric isomers available. (See below)
* This is only occur when double bonding is present.
CIS isomer: the two branches are on the SAME side of the double bond.
TRANS isomer: the two groups are on DIFFERENT side of the double bond.
~THE END~
Is this what you're thinking right now? Well, good night and sweet dreams to our fellow readers:)
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