Seema Saini Solutions for Chapter: Alkenes and Alkadienes, Exercise 1: DPP

Consider the following reaction

Which of the following base will give the best yield of the alkene $\mathrm{II}$ as the major product?

The major product of the following reaction is:

Which of the following reactions will give alkyne?

Which of the following substrate give alkene, only by heating?

Choose the correct comparisons:

$1$-Butene is formed in reactions:

${\mathrm{H}}_3\mathrm{C}-\mathrm{C}\equiv \mathrm{CH}\underset{2.{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}}{\overset{1. {\mathrm{NaNH}}_2}{\to }}\mathrm{A}\underset{\mathrm{Pd}-{\mathrm{BaSO}}_4}{\overset{{\mathrm{H}}_2}{\to }}\mathrm{B}:$

Which of the following reactions will give least substituted alkene?