List of top Chemistry Questions on Haloalkanes and Haloarenes asked in JEE Main

What will be the reactivity order of following compounds towards electrophilic substitution reaction ?

Which of the following sets of elements can be detected by Lassaigne's Test ?

CH₃CH₂-Br \(\overrightarrow{Acetone}^{NaI}\) CH₃-CH₂-I+NaBr
Which of the following statement is correct ? 

Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is_____

The total number of monobromo derivatives formed by the alkanes with molecular formula $C _5 H _{12}$ is (excluding stereo isomers) _______

Compound $( X )$ undergoes following sequence of reactions to give the Lactone $( Y )$

A compound A on reaction with X and Y produces the same major product but different by product a and b Oxidation of  a gives a substance produced by ants X and Y respectively are :

Which of the following statements is correct about freons?

The correct order of melting points of dichlorobenzenes is

Product [X] formed in the above reaction is:

Compound from the following that will not produce precipitate on reaction with Compound from the following that will not produce precipitate on reaction with AgNO₃ is:

Which of the following compounds is an example of Freon?

Compound that will give positive Lassaigne’s test for both nitrogen and halogen is

The interhalogen compound formed from the reaction of bromine with excess of fluorine is a :

Which one of the following compounds is inactive towards S_N1 reaction?

The IUPAC name of ethylidene chloride is:

‘A’ and ‘B’ respectively are: \(A\xrightarrow[(2)Zn-H_2O]{(1)O_3}\)
\(Ethane-1, 2-dicarbaldehyde + Glyoxal/Oxaldehyde\)
\(B \xrightarrow[(2)Zn-H_2O]{(1)O_3}   5 - oxohexanal\)

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Fluorine forms one oxoacid.
Reason R: Fluorine has smallest size amongst all halogens and is highly electronegative.
In the light of the above statements, choose the most appropriate answer from the option given below.

$3$-Methylpent-$2$-ene on reaction with $HBr$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

In S$_N$2 reactions, the correct order of reactivity for the following compounds $CH_3Cl,CH_3CH_2Cl, (CH_3 )_2CHCl$ and (CH$_3 )_3CCl$ is

For the compounds $CH_3Cl, \, CH_3Br,\,CH_3I$ and $CH_3F,$ the correct order of increasing $C$-halogen bond length is :

The Wurtz-Fittig reaction involves condensation of:

A major component of Borsch reagent is obtained by reacting hydrazine hydrate with which of the following ?