question_answer

Which of the following compounds contains \[1{}^\circ ,\text{ }2{}^\circ ,\text{ }3{}^\circ \] as \[\text{4}{}^\circ \]well as carbon atoms?

A) Neopentane

B) 2-methylpentane

C) 2, 3-dimethyl butane

D) 2, 2, 3-trimethyipentane

Correct Answer: D

Solution :

2, 2, 3-trimethylpentane