12 JEE Main 2020 Haloalkanes and Haloarenes previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Haloalkanes and Haloarenes chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Haloalkanes and Haloarenes chapter hub.
The decreasing order of reactivity towards dehydrohalogenation E 1 reaction of the following compounds is:
In the following reaction sequence, structures of A and B are, respectively
Consider the following reactions: Which of these reactions are possible?
The decreasing order of reactivity of the following compounds towards nucleophilic substitution ( S N 2 ) is:
Consider the reaction sequence given below : Which of the following statements is true:
Which of the following compounds will show retention in configuration on nucleophile substitution by OH - ion ?
For the following reactions where, k s and k e , are respectively, the rate constants for substitution and elimination,…
The mechanism of Sn1 reaction is given as: R - X ⟶ R ⊕ X ⊖ ⟶ R ⊕   ‖  …
The major product in the following reaction is:
Which of these will produce the highest yield Friedel Crafts reaction?
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