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JEE Main

Haloalkanes and Haloarenes

Chemistry

Previous Years Questions

MCQ (Single Correct Answer)

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Identify the correct statement for the below given transformation. ...
JEE Main 2022 (Online) 28th July Morning Shift
Major product '$$\mathrm{B}$$' of the following reaction sequence is : ...
JEE Main 2022 (Online) 27th July Evening Shift
Major product of the following reaction is ...
JEE Main 2022 (Online) 25th July Evening Shift
Given below are two statements : Statement I : The presence of weaker $$\pi$$-bonds make alkenes less stable than alkane...
JEE Main 2022 (Online) 24th June Evening Shift
The major product in the reaction ...
JEE Main 2022 (Online) 25th June Morning Shift
The product formed in the following reaction. ...
JEE Main 2022 (Online) 25th June Morning Shift
Product 'A' of following sequence of reactions is ...
JEE Main 2022 (Online) 27th June Evening Shift
What will be the major product of following sequence of reactions? ...
JEE Main 2022 (Online) 27th June Evening Shift
Which one of the following compounds is inactive towards SN1 reaction?
JEE Main 2022 (Online) 28th June Morning Shift
The major product (P) in the reaction is...
JEE Main 2022 (Online) 28th June Morning Shift
The stable carbocation formed in the above reaction is...
JEE Main 2022 (Online) 29th June Evening Shift
The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
JEE Main 2021 (Online) 1st September Evening Shift
For the following sequence of reactions, the correct products are :...
JEE Main 2021 (Online) 31st August Evening Shift
The major product (A) formed in the reaction given below is :...
JEE Main 2021 (Online) 27th August Evening Shift
In the following sequence of reactions, the final product D is :...
JEE Main 2021 (Online) 27th August Morning Shift
Excess of isobutane on reaction with Br2 in presence of light at 125$$^\circ$$C gives which one of the following, as the...
JEE Main 2021 (Online) 26th August Morning Shift
Among the following compounds I-IV, which one forms a yellow precipitate on reacting sequentially with (i) NaOH (ii) dil...
JEE Main 2021 (Online) 26th August Morning Shift
The major product formed in the following reaction is :...
JEE Main 2021 (Online) 26th August Morning Shift
Metallic sodium does not react normally with :
JEE Main 2021 (Online) 20th July Evening Shift
The correct pair(s) of the ambident nucleophiles is(are)(A) AgCN/KCN(B) RCOOAg/RCOOK(C) AgNO2/KNO2(D) AgI/KI...
JEE Main 2021 (Online) 17th March Evening Shift
Choose the correct statement regarding the formation of carbocations A and B given....
JEE Main 2021 (Online) 17th March Evening Shift
Which of the following reaction is an example of ammonolysis?
JEE Main 2021 (Online) 17th March Morning Shift
Product ''A'' in the above chemical reaction is :...
JEE Main 2021 (Online) 17th March Morning Shift
The above reaction requires which of the following reaction conditions?...
JEE Main 2021 (Online) 17th March Morning Shift
Identify the reagent(s) 'A' and condition(s) for the reaction...
JEE Main 2021 (Online) 16th March Evening Shift
The products ''A'' and ''B'' formed in above reactions are :...
JEE Main 2021 (Online) 16th March Morning Shift
Considering the above reaction, the major product among the following is :...
JEE Main 2021 (Online) 26th February Evening Shift
Match List - I with List - II.Choose the correct answer from the options given below :...
JEE Main 2021 (Online) 26th February Evening Shift
For the given reaction :What is 'A'?...
JEE Main 2021 (Online) 26th February Morning Shift
Which of the following reagent is suitable for the preparation of the product in the above reaction?...
JEE Main 2021 (Online) 24th February Evening Slot
The product formed in the first step of the reaction of ...
JEE Main 2021 (Online) 24th February Morning Slot
What is the final product (major) 'A' in the given reaction ? ...
JEE Main 2021 (Online) 24th February Morning Slot
Identify products A and B. ...
JEE Main 2021 (Online) 24th February Morning Slot
The increasing order of the boiling points of the major products A, B and C of the following reactions will be : ...
JEE Main 2020 (Online) 6th September Evening Slot
Which of the following compounds will form the precipitate with aq. AgNO3 solution most readily?
JEE Main 2020 (Online) 4th September Evening Slot
The major product in the following reaction is : ...
JEE Main 2020 (Online) 3rd September Evening Slot
The major product obtained from E2 - elimination of 3-bromo-2-fluoropentane is
JEE Main 2020 (Online) 2nd September Evening Slot
Which of these will produce the highest yield in Friedel Crafts reaction?
JEE Main 2020 (Online) 9th January Morning Slot
For the following reactions Ks and Ke, are respectively, the rate constants for substitution and elimination and $$\mu ...
JEE Main 2020 (Online) 7th January Evening Slot
1- methyl ethylene oxide when treated with an excess of HBr produces :
JEE Main 2020 (Online) 7th January Morning Slot
An 'Assertion' and a 'Reason' are given below. Choose the correct answer from the following options : Assertion (A) : Vi...
JEE Main 2019 (Online) 12th April Evening Slot
The major product 'Y' in the following reactions is : ...
JEE Main 2019 (Online) 10th April Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 10th April Morning Slot
The major product of the following reaction is : $${\rm{C}}{{\rm{H}}_3}{\rm{CH = CHC}}{{\rm{O}}_2}{\rm{CH_3 }}\buildrel...
JEE Main 2019 (Online) 9th April Morning Slot
The major product in the following reaction is : ...
JEE Main 2019 (Online) 8th April Evening Slot
The major product of the following reaction is – ...
JEE Main 2019 (Online) 12th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 9th January Morning Slot
The major product of the following reaction is : ...
JEE Main 2018 (Online) 16th April Morning Slot
The most polar compound among the following is :
JEE Main 2018 (Online) 16th April Morning Slot
Which of the following will most readily give the dehydrohalogenation product ?
JEE Main 2018 (Online) 15th April Morning Slot
The major product of the following reaction is: ...
JEE Main 2018 (Offline)
The major product of the following reaction is : ...
JEE Main 2017 (Online) 8th April Morning Slot
In the following reaction sequence : The compound I is : ...
JEE Main 2017 (Online) 9th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2017 (Online) 8th April Morning Slot
Which of the following compounds will not undergo Friedel Craft’s reaction with benzene ?
JEE Main 2017 (Online) 8th April Morning Slot
The major product obtained in the following reaction is : ...
JEE Main 2017 (Offline)
Which of the following, upon treatment with tert-BuONa followed by addition of bromine water, fails to decolorize the co...
JEE Main 2017 (Offline)
The increasing order of the reactivity of the following halides for the SN1 reaction is : ...
JEE Main 2017 (Offline)
Which one of the following reagents is not suitable for the elimination reaction ? ...
JEE Main 2016 (Online) 10th April Morning Slot
Bromination of cyclohexene under conditions given below yields : ...
JEE Main 2016 (Online) 10th April Morning Slot
The synthesis of alkyl fluorides is best accomplished by:
JEE Main 2015 (Offline)
The major organic compound formed by the reaction of 1, 1, 1– trichloroethane with silver powder is:
JEE Main 2014 (Offline)
In SN2 reactions, the correct order of reactivity for the following compounds: CH3Cl, CH3CH 2Cl, (CH3)2CHCl and (CH3)3CC...
JEE Main 2014 (Offline)
Compound $$\left( A \right),\,{C_8}{H_9}Br,\,\,\,$$ gives a white precipitate when warmed with alcoholic $$AgN{O_3}.$$ ...
JEE Main 2013 (Offline)
What is DDT among the following?
AIEEE 2012
How many chiral compounds are possible on monochlorination of 2–methyl butane ?
AIEEE 2012
Consider the following bromides : The correct order of $${S_N}1$$ reactive is ...
AIEEE 2010
The organic chloro compound, which shows complete stereochemical inversion during a SN2 reaction, is
AIEEE 2008
Which of the following is the correct order of decreasing SN2 reactivity?
AIEEE 2007
The structure of the major product formed in the following reaction is ...
AIEEE 2006
Reaction of trans-2-phenyl-1-bromocyclopentane on reaction with alcoholic KOH produces
AIEEE 2006
Fluorobenzene (C6H5F) can be synthesized in the laboratory
AIEEE 2006
Phenyl magnesium bromide reacts with methanol to give
AIEEE 2006
Alkyl halides react with dialkyl copper reagents to give
AIEEE 2005
Elimination of bromine from 2-bromobutane results in the formation of-
AIEEE 2005
Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of
AIEEE 2005
The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
AIEEE 2004
Bottles containing C6H5l and C6H5CH2I lost their original labels. They were labelled A and B for testing A and B were se...
AIEEE 2003

Numerical

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Consider the above reaction. The number of $$\pi$$ electrons present in the product 'P' is __________....
JEE Main 2022 (Online) 24th June Evening Shift
The major product of the following reaction contains ____________ bromine atom(s). ...
JEE Main 2022 (Online) 28th June Evening Shift
Consider the following chemical reaction. The number of sp2 hybridized carbon atom(s) present in the product is ________...
JEE Main 2021 (Online) 25th February Morning Slot
The total number of monohalogenated organic products in the following (including stereoisomers) reaction is ______. ...
JEE Main 2020 (Online) 3rd September Morning Slot

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