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The reactions which cannot be applied to prepare an alkene by elimination, are A. NaOEt Br B. CH 3 – CH 2 – CH – CH 3 Br KOH(Aq.) C. CH 3 Br CH 3 CH 3 NaOMe D. OH Na 2 Cr 2 O 7 H 2 SO 4 E. CH 3 OH CH 3 CH 3 Cu 573 K Choose the correct answer from the options given below :

1. B & D only
2. B, C & D only
3. A, C & D only
4. B & E only

Correct answer: B & D only

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