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Nomenclature problem. ?

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1 Answer
Mar 10, 2018

Answer:

See below

Explanation:

3-methylbutanoyl chloride.

The molecule is an acid chloride (acrylic chloride). Count the C atoms in the chain - there 4, hence butanoyl chloride. The carbonyl C atom is designated as C atom number 1 in the chain, so there is a methyl side chain on C atom number 3.