Question

Write the IUPAC
of the following compounds
(a) CH₃ - CH₂ - CH₂ -CH₂-OH​

Answer 1

Answer:

Compound :

$CH_3 - CH_2 - CH_2 - CH_2 - OH$

IUPAC name :

Step 1 : First see the chain if it is branched straight or a ring . Here it is straight chain without branch.

Step 2 : Then number the carbon atoms . Start the numbering from the carbon with unctional group. Here the numbering is :

$CH_3 - CH_2 - CH_2 - CH_2 - OH$

4⠀⠀⠀⠀⠀3⠀⠀⠀⠀2⠀⠀⠀⠀1

Step 3 : Seeing the number of carbons put the prefix. Here there are 4 carbons , which give the prefix "But" (pronounced as "bute")

Step 4 : See where are the double and tripple bonds , to specify in the name . Here all are single bonds . Then the suffix "an" is added to the prefix of carbon

Step 5 : Then see the functional group and write the suffix . Here the functional group OH gives the suffix "ol"

Step 6 : Combine all and get the IUPAC name , here it is but + an + ol = butanol

Additional information:

$\begin{lgathered}\boxed{\begin{array}{cccc}\sf Number \ of \ carbon &\sf Prefix\\\frac{\qquad \qquad \qquad \qquad}{}&\frac{\qquad \qquad \qquad \qquad}{}\\\sf 1&\sf Meth \\\\\sf 2 &\sf Eth \\\\\sf 3&\sf Prop\\\\\sf 4&\sf But\\\\ </p><p>\sf 5 & \sf Pent \\\\</p><p>\sf 6 & \sf Hex \\\\</p><p>\sf 7 & \sf Hept \\\\</p><p>\sf 8 & \sf Oct \\</p><p>\end{array}}\end{lgathered}$

$\begin{lgathered}\boxed{\begin{array}{ccc}</p><p>\sf Functional \ group &\sf Formula & \sf suffix \\</p><p>\frac{\qquad \qquad \qquad \qquad}{}&\frac{\qquad \qquad \qquad \qquad}{} &\frac{\qquad \qquad \qquad \qquad}{}\\</p><p>\sf Alcohol &\sf ROH &\sf ol \\\\</p><p>\sf Aldehyde &\sf RCHO & \sf al\\\\</p><p>\sf Ketone &\sf RCOR & \sf one \\\\</p><p>\sf Carboxylic \ acid &\sf RCOOH & \sf oic \ acid\\\\\</p><p>\end{array}}\end{lgathered}$

Answer 2

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