JEE Mains · Chemistry · STD 12 - 6. Haloalkanes and Haloarenes
The major product obtained from \(E _{2}\) \(-\)elimination of \(3\) \(-\)bromo\(-\) \(2-\)fluoropentane is
- A \(\begin{array}{*{20}{c}} {Br} \\ {|\,\,\,\,} \\ {C{H_3}C{H_2} - CH - CH = C{H_2}} \end{array}\)
- B \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,Br} \\ {\,\,|} \\ {C{H_3} - C{H_2} - C = CH - C{H_3}} \end{array}\)
- C \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,F} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - CH = CH - CH - C{H_3}} \end{array}\)
- D \(\begin{array}{*{20}{c}} {C{H_3}C{H_2}CH = C - F} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \end{array}\)
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Correct Answer
(D) \(\begin{array}{*{20}{c}} {C{H_3}C{H_2}CH = C - F} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \end{array}\)
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