What is the I.U.P.A.C name of CH3CH2CH=CH2? - ProProfs Discuss
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What is the I.U.P.A.C name of CH3CH2CH=CH2?



This question is part of Carbon and Its Compounds
Asked by Jagran josh, Last updated: Jan 27, 2019

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4 Answers

J.Spencer

Knowledge Enthusiast, Knows A Lot of Stuff.

J.SpencerKnowledge enthusiast, Tokyo
Knowledge enthusiast, Tokyo

Answered on Jan 25, 2019

The answer is simply butene. You can also write it as But-1-ene. Since the double bond is between the first and second carbon the '1' is unnecessary. The answer butene would have been wrong if the double bond was between the second and the third carbon.

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S. Nicole

Content Writer, Teacher

S. NicoleWordsmith, PG In Journalism, New York
Wordsmith, PG In Journalism, New York

Answered on May 11, 2018

The I.U.P.A.C. name of the molecular formula CH3CH2CH=CH2 is But-1-ene. I can explain my answer.

This molecular formula has four carbons and one double bond at C1. According to the naming conventions of hydrocarbons, four carbon atoms are known as “But” and the double bond is called “Ene”. Hence, its IUPAC name will be But-1-ene.

Butene is not the correct answer as it has not specified the position of the double bond.

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John Adney

John Adney

Answered on Oct 23, 2017

Butene and but-1-ene are the same thing. one is not considered everytime

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jagran josh

Jagran josh

Answered on Oct 20, 2017

But-1-ene
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