Question

The compound which contains all the four $1^{o},2^{o},3^{o}$ and $4^{o}$ carbon atoms is.

• A. 2, 3-dimethyl pentane
• B. 3-chloro-2, 3-dimethylpentane
• C. 2, 3, 4-trimethylpentane
• D. 3, 3-dimethylpentane

Answer 1

Answer: (B)

3-chloro-2, 3-dimethylpentane

Answer 2

$\underset{\text{3-chloro-2,3-dimethylpentane}}{\overset{1^{o}}{CH_{3}}\overset{1^{o}CH_{3}}{\overset{|}{- \underset{3^{o}}{CH}}} - \underset{Cl}{\underset{4^{o}|}{\overset{1^{o}CH_{3}}{\overset{|}{C -}}}}\overset{2^{o}}{CH_{2}} - \overset{1^{o}}{CH_{3}}}$