Chemistry, asked by vyshu5160, 1 year ago

Distinguish between isobutyl alcohol and sec butyl alcohol

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Answered by avinashreddych
2

Answer:

Simon Moore

Dec 21, 2017

Answer:

Sec butyl relates to functionality on the 2nd carbon atom in the chain. Isobutyl relates to the "isobutane" isomer.

Explanation:

If you take C4 alcohols as an example,

This is butane CH3−CH2−CH2−CH3

Substitute a hydrogen on the 1st carbon with hydroxy group, and you have primary alcohol, 1-butanol, or n-butanol.

HO−CH2−CH2−CH2−CH3

If, however, you substitute a hydrogen on the 2nd carbon with hydroxy group, you have a secondary alcohol, 2-butanol, or "sec-butanol" or "sec-butyl alcohol".

CH3−CH(OH)−CH2−CH3

The primary alcohol formed by substituting a hydrogen on the 1st carbon of the isomer of butane, called 2-methyl propane, or "isobutane" would be "isobutanol" or "isobutyl alcohol".

HO−CH2−CH(CH3)−CH3

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