Haloalkanes and Haloarenes PYQs - Last 5 Years

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Practice 98 JEE Main Chemistry questions from Haloalkanes and Haloarenes. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Haloalkanes and Haloarenes Questions

Showing 48 of 98 filtered questions.

1Haloalkanes And Haloarenes

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : \(\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{Cl}\) is an example of allyl halide.
Reason (R) : Allyl halides are...

2Haloalkanes And Haloarenes

The final product A, formed in the following multistep reaction sequence is :

3Haloalkanes And Haloarenes

Example of vinylic halide is :

4Haloalkanes And Haloarenes

2-chlorobutane \(+\mathrm{Cl}_2 \rightarrow \mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2\) (isomers)
Total number of optically active isomers shown by \(\mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2\), obtained in the above reaction is _________.

INTEGER+4 / -12024

5Haloalkanes And Haloarenes

Given below are two statements:
Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow \(\mathrm{S}_{\mathrm{N}}{ }^2\) mechanism.
Statement - II: A sec...

6Haloalkanes And Haloarenes

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom.
Reason R : Phenols react with ...

7Haloalkanes And Haloarenes

Alkyl halide is converted into alkyl isocyanide by reaction with

8Haloalkanes And Haloarenes

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ;

9Haloalkanes And Haloarenes

Which among the following halide/s will not show \(\mathrm{S_N 1}\) reaction:
(A) \(\mathrm{H}_2 \mathrm{C}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{Cl}\)
(B) \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}\)
(C)
(D)
Choose the most appropri...

10Haloalkanes And Haloarenes

Identify B formed in the reaction.
\(\mathrm{Cl}-\left(\mathrm{CH}_2\right)_4-\mathrm{Cl} \xrightarrow{\text { excess } \mathrm{NH}_3} \mathrm{~A} \xrightarrow{\mathrm{NaOH}} \mathrm{B}+\mathrm{H}_2 \mathrm{O}+\mathrm{NaCl}\)

11Haloalkanes And Haloarenes

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Haloalkanes react with KCN to form alkyl cyanides as a main product while with $\mathrm{AgCN}$ form isocyanide as the...

12Haloalkanes And Haloarenes

Choose the halogen which is most reactive towards \(\mathrm{S}_{\mathrm{N}} 1\) reaction in the given compounds (A, B, C & D)

13Haloalkanes And Haloarenes

The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous \(\mathrm{NaOH}\) is :

Choose the correct answer from the options given below:

14Haloalkanes And Haloarenes

Major product '\(\mathrm{P}\)' formed in the following reaction is:

15Haloalkanes And Haloarenes

For the reaction

The correct statement is

16Haloalkanes And Haloarenes

The correct order of melting points of dichlorobenzenes is

17Haloalkanes And Haloarenes

In the following halogenated organic compounds, the one with the maximum number of chlorine atoms in its structure is :

18Haloalkanes And Haloarenes

Match List I with List II

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19Haloalkanes And Haloarenes

Decreasing order towards SN 1 reaction for the following compounds is:

20Haloalkanes And Haloarenes

Identify the correct order for the given property for following compounds.

Choose the correct answer from the option given below :

21Haloalkanes And Haloarenes

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH\(^-\) is

22Haloalkanes And Haloarenes

The isomeric deuterated bromide with molecular formula \(\mathrm{C_4H_8DBr}\) having two chiral carbon atoms is

23Haloalkanes And Haloarenes

Number of moles of AgCl formed in the following reaction is _____________

INTEGER+4 / -12023

24Haloalkanes And Haloarenes

Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increases.
Reason R : I\(^{-}\) is a good nucleophile as well as a good leaving group.
In the light of the above stateme...

25Haloalkanes And Haloarenes

The major product formed in the Friedel-Craft acylation of chlorobenzene is

26Haloalkanes And Haloarenes

In the following reaction 'X' is

27Haloalkanes And Haloarenes

Find out the correct statement from the options given below for the above 2 reactions.

28Haloalkanes And Haloarenes

Compound from the following that will not produce precipitate on reaction with \(\mathrm{AgNO}_{3}\) is :

29Haloalkanes And Haloarenes

The pair from the following pairs having both compounds with net non-zero dipole moment is

30Haloalkanes And Haloarenes

Identify the correct order of reactivity for the following pairs towards the respective mechanism

Choose the correct answer from the options given below:

31Haloalkanes And Haloarenes

In the given conversion the compound A is :

32Haloalkanes And Haloarenes

Two isomers (A) and (B) with Molar mass 184 g/mol and elemental composition C, 52.2%; H, 4.9% and Br 42.9% gave benzoic acid and p-bromobenzoic acid, respectively on oxidation with KMnO4. Isomer 'A' is optically active and gives a pale yell...

33Haloalkanes And Haloarenes

The stable carbocation formed in the above reaction is

34Haloalkanes And Haloarenes

Considering the above reactions, the compound 'A' and compound 'B' respectively are :

35Haloalkanes And Haloarenes

Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the structures are rigid and not delocalized.)

36Haloalkanes And Haloarenes

Compound 'A' undergoes following sequence of reactions to give compound 'B'.
The correct structure and chirality of compound 'B' is
[where Et is \(\left.-\mathrm{C}_{2} \mathrm{H}_{5}\right]\)

37Haloalkanes And Haloarenes

Which one of the following compounds is inactive towards SN1 reaction?

38Haloalkanes And Haloarenes

The major product (P) in the reaction

is

39Haloalkanes And Haloarenes

The major product of the following reaction contains ____________ bromine atom(s).

INTEGER+4 / -12022

40Haloalkanes And Haloarenes

In the above reaction 'A' is

41Haloalkanes And Haloarenes

The major product in the given reaction is

42Haloalkanes And Haloarenes

The major product of the following reaction is :

43Haloalkanes And Haloarenes

Major product '\(\mathrm{B}\)' of the following reaction sequence is :

44Haloalkanes And Haloarenes

Halogenation of which one of the following will yield m-substituted product with respect to methyl group as a major product?

45Haloalkanes And Haloarenes

In the presence of sunlight, benzene reacts with Cl2 to give product, X. The number of hydrogens in X is _____________.

INTEGER+4 / -12022

46Haloalkanes And Haloarenes

The major product in the reaction

47Haloalkanes And Haloarenes

In the given reaction sequence, the major product 'C' is :

48Haloalkanes And Haloarenes

Consider the above reaction. The number of \(\pi\) electrons present in the product 'P' is __________.

INTEGER+4 / -12022