Question

0 4. The IUPAC name for CH3-CH-CH2-CH

Answer 1

The IUPAC name CH3 - CH – CH2-CH Answer= 3- bromebutanal Explaination For writing IUPAC name of we used following step any compound, CH3-CH-CH2 - CH 1) first we identify the functional group Then give the priority. In given structure, there is two functional group. One is Bromo functional aroub ( - Bor) and other is aldehyde (-CH=0) since aldehyde has greater priority than Brome group. so aldehyde get first priority and used suffix for aldehyde, while we used prefix for Bromo group. - Suffix of aldehyde = al. brefix of Promo group & bromo

• 2) After Identifying functional group, we Idend Identify the longest I chain. since aldehyde group has highest priority so c of aldehyde got priority 1 in the carbon chain. 807 CH3-CH - CH2 - CH (4) (3) (2) ² (1) since This structure contain 4 member Carbon chain. So we used Butane but It consist aldehyde group. So we used (butane tal) = butanal. since bromo group is at Carbon (3). so we got - bromo. so IUPAC Name. 3- bromebutanal
summary:

IUPAC name: 3-bromobutanal

Explanation:

Since structure has 4 carbon atom long chain and aldehyde group is always first carbon. So we used butanal.

Since Carbon (3) has bromo group. So we used 3-bromo.

So IUPAC name: 3-bromobutanal