CBSE · Chemistry

Haloalkanes & Haloarenes

86 practice questions for CBSE52 easy · 29 medium · 5 hard. Every question is graded instantly with a step-by-step solution when you miss it.

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Sample questions

MCQ
Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of$NaI$, the rate of hydrolysis increases. Reason R :$I^{-}$ is a good nucleophile as well as a good leaving group. In the light of…
MCQ
The correct statement for the molecule$\text{CsI}_{3}$, is :
MCQ
Tertiary alkyl halides are practically inert to substitution by $\mathrm{S}_{\mathrm{N}}{ }^2$ mechanism because of
MCQ
In an $\mathrm{S}_N 2$ reaction, the group that leaves the substrate is called a leaving group. The ease of departure of leaving group is determined on the basis of acidity of the conjugate acid of the leaving group.…
MCQ
Consider the reactions (i) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{CH}_{2} \mathrm{Br}\stackrel{\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}}{\longrightarrow}\left(\mathrm{CH}_{3}\right)_{2}…
MCQ
$\mathrm{CH}_{3} \mathrm{CH}_{2}$ Br undergoes Wurtz reaction. We may expect some of the following product $\mathrm{A}: \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$ $\mathrm{B}:…
MCQ
What are $\mathrm{X}$ and $\mathrm{Y}$ in the following reaction sequence? $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \stackrel{\mathrm{Cl}_{2}}{\longrightarrow} \mathrm{X} \stackrel{\mathrm{Cl}_{2}}{\longrightarrow}…
MCQ
In the given reaction, the final product $B$ will be
MCQ
Electrophilic substitution of compound $X$ will be fastest at which position
MCQ
The reaction of 1-bromo-3-chlorocyclobutane with metallic sodium in dioxane under reflux conditions gives
MCQ
The final product obtained in the reaction,
MCQ
The final product (IV) in the sequence of reactions
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