Hydrocarbons Question 385

Question: Pick out the alkane which differs from the other members of the group. [KCET 2004]

Options:

A) 2,2-dimethyl propane

B) Pentane

C) 2-methyl butane

D) 2,2-dimethyl butane

Show Answer

Answer:

Correct Answer: D

Solution:

Except 2,2 dimethyl butane rest compound contain 5 carbon i.e., pantane while 2,2 dimethyl butane contain 6 carbon i.e., Hexane $ CH_3-CH_2-\underset{CH_3}{\overset{CH_3}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}-C}}}H_3 $