JEE Main 2014 · 19 Apr · Shift 1 · Chemistry Q53

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ChemistrySingle correct+4 / -1Question 53 of 90

The correct IUPAC name of the following compound is :

Skeletal formula: a six-carbon chain with an ethyl branch on C3 and a methyl branch on C4.

4 - methyl - 3 - ethylhexane

3 - ethyl - 4 - methylhexane

3, 4 - ethylmethylhexane

4 - ethyl - 3 - methylhexane

Answer and worked solution

Official answer: B

The longest chain has six carbons, with an ethyl at C3 and a methyl at C4 (numbering gives the lowest locants {3, 4} either way). Substituents are listed alphabetically: 3-ethyl-4-methylhexane.

Topics:IUPAC nomenclature

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JEE Main 2014 · 19 Apr · Shift 1, Chemistry question 53