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Question

The compound formed by C13H28 with the shortest possible parent carbon chain will contain:

A
5 carbon atoms
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B
6 carbon atoms
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C
7 carbon atoms
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D
8 carbon atoms
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Solution

The correct option is A 5 carbon atoms


There are about 802 isomers of given alkane C13H28.

The chain length can be as long as 13 carbons while the shortest carbon parent chain will have five carbon.

There can be again five isomers with five carbons as parent chain s shown in the figure.

The names are:

  1. 3,3-diethyl-2,2,4,4-tetramethylpentane
  2. 2,2,3,4,4-pentamethyl-3-(propan-2-yl)pentane
  3. 3-ethyl-2,2,4-trimethyl-3-(propan-2-yl)pentane
  4. 2,4-dimethyl-3,3-di(propan-2-yl)pentane
  5. 3-tert-butyl-2,2,4,4-tetramethylpentane


1918811_1080675_ans_a56a070fd914452f8b288a9ae5503751.jpg

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