Select the reagent that will yield the greate | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The reaction of $CH_3CH_2Br$ (a primary alkyl halide) with a base/nucleophile can proceed via $S_N2$ (substitution) or $E2$ (elimination) pathways

Vedclass · Accepted Answer

$CH_3CH_2OK$ in dimethyl sulfoxide $(DMSO)$

Vedclass · Answer

(A) The reaction of $CH_3CH_2Br$ (a primary alkyl halide) with a base/nucleophile can proceed via $S_N2$ (substitution) or $E2$ (elimination) pathways.$CH_3CH_2OK$ is a strong,unhindered nucleophile,which favors the $S_N2$ substitution reaction.$(CH_3)_3COK$ is a strong,sterically hindered base (potassium tert-butoxide),which significantly favors the $E2$ elimination reaction over substitution due to steric hindrance.Therefore,$CH_3CH_2OK$ will yield a greater amount of substitution product compared to $(CH_3)_3COK$.

Select the reagent that will yield the greater amount of substitution on reaction with $CH_3CH_2Br$.

Similar Questions

Phosgene is formed slowly from which one of the following on exposure to air and sunlight?

What are ambident nucleophiles? Explain with an example.

The decreasing order of reactivity towards dehydrohalogenation $(E_1)$ reaction of the following compounds is:
$(A)$ $CH_3CH_2CH_2CH_2Cl$
$(B)$ $CH_2=CHCH_2CH_2Cl$
$(C)$ $CH_3CH_2CHClCH_3$
$(D)$ $CH_2=CHCHClCH_3$

When chloroform is treated with excess oxygen,it forms .....

Explain elimination reactions of alkyl halides.
or
Explain dehydrohalogenation ($\beta$-elimination) of alkyl halides.

Vedclass Test Series

Exam Paper Generator

Online Exam Module