Q. 3 I5.0( 3 Votes )
The IUPAC names of the given compounds with proper numbering of the main chain and the substituents keeping in mind the fact that the numbering is done so as to choose the longest branch of carbon and giving the carbon bearing the substituent or the functional group the lowest number as possible are as follows: -
1. At first we find the longest chain of the carbon atom. Here, the longest chain is having 4 carbon atoms.
2. Hence, the word root is but.
3. Now, it is saturated. Hence, we get butane.
4. There is a Chloro(Halo) group in the 1st carbon.
5. Hence butane is prefixed by chloro which is prefixed by its position.
6. Hence, the IUPAC name is 1-chlorobutane.
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