A) isobutane
B) isobutylene
C) sodium t-butoxide
D) 24,-butylmethylether
Correct Answer: B
Solution :
\[\underset{t-butyl\,\,bromide}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-Br}}\,+\underset{\begin{smallmatrix} Sodium \\ methoxide \end{smallmatrix}}{\mathop{C{{H}_{3}}ONA+C{{H}_{3}}ONa}}\,\xrightarrow{{}}\underset{\begin{smallmatrix} 2-methyl\,\,propene \\ \,\,\,\,\,\,\,(Isobutylene) \end{smallmatrix}}{\mathop{C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}+C{{H}_{3}}OH}}\,+NaBr\]
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