Question

$C{H}_3-\underset{Cl}{\underset{|}{C}H}-\underset{Br}{\underset{|}{C}H}-\underset{OH}{\underset{|}{C}H}-C{H}_3$

The IUPAC name of the compound is

• A. $3$ - Bromo - $4$ - chloropentan - $2$ - ol
• B. $3$ - Bromo - $2$ - chloro- $4$ hydroxypentane
• C. $3$ - Bromo - $2$ - chloropentan - $4$ - ol
• D. none of these

Answer 1

The correct option is A $3$ - Bromo - $4$ - chloropentan - $2$ - ol

$\stackrel{5}{C}{H}_3-\stackrel{4}{\underset{Cl}{\underset{|}{C}}}H-\stackrel{3}{\underset{Br}{\underset{|}{C}}}H-\stackrel{2}{\underset{OH}{\underset{|}{C}}}H-\stackrel{1}{C}{H}_3$

No. of carbon in longest carbon keleton $=5$

Functional group :- alcohol

Side group :- chlorine and bromine in position 4 and 3 respectively.

Name :- 3-Bromo-4-chloropentan-2-ol