Question

# The IUPAC name of the given compound is

A

2, 3- Diethyl butane

B

1, 2- Dimethyl 3- ethyl butane

C

3- Ethyl 4- methyl pentane

D

3, 4- Dimethyl hexane

Solution

## The correct option is C 3, 4- Dimethyl hexane Let us begin by numbering the longest chain. No matter which outer carbon we start with, the longest chain is 6 carbons long.  There are two methyl substituents. One is at carbon number 3 and another one is at carbon number 4. Therefore the name of the given compound is 3, 4- Dimethyl hexane.

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