If 2-chloro-3-methyl pentane is treated with ethanolic KOH solution. How many different alkenes would be formed via $E_2$ elimination reaction?

Q. How many different possible alkenes are formed when 2-chlorobutane is treated with ethanolic solution of KOH?

Q. If cyclohexane carboxylic acid is treated with $C{l}_2$/phosphorus, $\alpha$-halogenation takes place. How many different mono-chloro derivatives would be formed?

Q.

To synthesize the given compound via an $S_{N}2$ reaction, which of the following options is appropriate:

Q. Assertion :In the following synthesis of 2-methyl pentane $R-Cl+R_2^{\prime }CuLi\to 2-$ methyl pentane Best yield would be obtained if $RCl$ is 2-chloro propane. Reason: Reaction involves $S_{N}2$ mechanism.

Q. $2-$$Bromopentaneistreatedwithalcoholic$KOH$ solution. What will be the major product formed in this reaction and what is this type of elimination called?