1) Which of the following compounds cannot be prepared singly by the Wurtz reaction? A) C2H6 B) (CH3)2CHCH3 C) CH3CH2CH2CH3 D) All of the above can be prepared Answer: Option BExplanation:If two different alkyl halides (R1−X and R2−X) are used , a mixture of three alkanes is obtained which is difficult to separate