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OleMash [197]
3 years ago
6

What is the best name for this molecule? Explain your naming process.

Chemistry
1 answer:
iogann1982 [59]3 years ago
7 0

Hi!


The best possible name for this molecule would be: 4 - ethyl - 1 - heptene or 4 - ethylhept - 1 - ene


We always name the molecule with respect to the longest chain (in a branched molecule), taking both atoms of carbon participating in the double bond into account too. In our case, this gives us a 7 Carbon chain - hept

ene - is the suffix that is indicative of the molecule being an alekene.

<em>So we know it is a branched heptene molecule</em>

We add the number where the double bond occurs either before ene, or before heptene as a rule.

<em>Note: We always start with the end of the chain from where the double bond is the closest, and number the carbons accordingly.</em>

The title and position of the branch always comes at the start. In our case the branch is a two carbon chain, and an alkane, so it would be an ethyl branch. This branch occurs at carbon number 4


Hence, the correct names would be:

<em>4 - ethyl - 1 - heptene</em> or <em>4 - ethylhept - 1 - ene</em>


Hope this helps!

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