What is the best IUPAC name for the following molecule: CH3-CH2=CH-CH=CH2? (Isomer not specified,...


What is the best IUPAC name for the following molecule: {eq}CH_3-CH_2=CH-CH=CH_2 {/eq}?

(Isomer not specified, so do not include it in the name)

a) 2,4-pentene

b) penta-1,3-diene

c) 1,3-butene

d) buta-1,3-diene

e) 1,3-pentene


The full form of IUPAC is the International Union of Pure and Applied Chemistry. IUPAC gave some rules and regulations for naming an organic compound. IPAC name of a compound is the name given to the compound by following the rules set by IUPAC.

Answer and Explanation: 1

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The correct option is (b) penta-1,3-diene.

In {eq}CH_3-CH_2=CH-CH=CH_2 {/eq}, there are 5 carbon atoms in the main chain. The root name...

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Learn more about this topic:

Naming Organic Compounds: Rules & Practice


Chapter 15 / Lesson 6

Learn about IUPAC naming for organic compounds and molecules. Understand functional groups tables, use IUPAC name charts, and see IUPAC name examples.

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