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Thursday, May 14, 2015

Organic Chemistry, Form, Part 12 - Nomenclature of Simple Alkynes

Greetings,

This post covers nomenclature of simple alkynes.  Alkynes are hydrocarbon compounds consisting of at least one triple bond between carbon atoms of the molecular structure.  Here, the "simple" designation refers to a straight-chain alkyne consisting of a single triple bond within the structure.

There are three requirements for properly naming simple alkynes:

  1. Indicating the position of the triple bond (only necessary for chains of 4 carbon atoms or more - Do you know why?; Answer Below).
  2. A prefix indicating the number of carbon atoms (The same ones used for naming alkanes and alkenes).
  3. A "-yne" suffix to indicate that you have a triple bond present.
A video demonstrating naming examples of the shortest chain alkynes is featured below.


I hope the video was enjoyable for you and useful if you are, or will be, taking an Organic Chemistry Course.  This has been exciting for me, as this is my first video which I am actually narrating!

And, Oh Yes, the answer for item no. 1 above:  Alkynes with four of more carbon atoms in a straight chain exhibit isomerism when the triple bond can be located at different positions in the chain.

That's all for this post.  As always, thank you for reading!


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P.S. for Real Nerds: The video was created using Google Draw to make the chart, GIMP for the chart animation, WeVideo to compile the video/audio tracks and YouTube for final publishing.

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