question_answer

What sequence of reactions would best accomplish the following reaction?

A) (i) \[LiAl{{H}_{4}}\] in ether: (ii) \[{{P}_{2}}{{O}_{5}}\]and heat

B) (i) \[LiAl{{H}_{4}}\] in ether; (ii) \[3C{{H}_{3}}I\] followed by heating with \[AgOH\]

C) (i) 20%\[{{H}_{2}}S{{O}_{4}}\]and heat; (ii) \[{{P}_{2}}{{O}_{5}}\] and heat

D) \[{{H}_{2}}\] and Lindlar catalyst

Correct Answer: B

Solution :

[b]