question_answer

Choose the sequence of steps that decribes the best synthesis of 1-butene from ethanol.

A) (i) \[NaC\equiv CH;\] (ii) \[{{H}_{2}},\] Lindlar catalyst \[Pd\]

B) (i) \[NaC\equiv CH;\] (ii) \[Na/N{{H}_{3}}\]

C) (i) \[HBr,\]heat; (ii) \[NaC\equiv CH\](iii) \[{{H}_{2}},\] Lindlar catalyst

D) (i) \[HBr,\]heat; (ii) \[KOC\,{{(C{{H}_{3}})}_{3}},\,DMSO;\](iii) \[NaC\equiv CH;\] (iv) \[{{H}_{2}},\] Lindlar catalyst

Correct Answer: C

Solution :

[c]