JEE Main 2024 — Haloalkanes And Haloarenes Question with Solution
From: JEE Main 2024 (Online) 1st February Morning Shift
Question
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 form isocyanide as the main product.
Reason (R) : and both are highly ionic compounds.
In the light of the above statements, choose the most appropriate answer from the options given below :
Assertion (A) : Haloalkanes react with KCN to form alkyl cyanides as a main product while with form isocyanide as the main product.
Reason (R) : and both are highly ionic compounds.
In the light of the above statements, choose the most appropriate answer from the options given below :
Choose an option
Show full solutionCorrect option: A
Correct answer
A(A) is correct but is not correct
Step-by-step explanation
is ionic so it provides cyanide ions in solution and attacks from carbon side on alkyl halide.
But is covalent it cannot form cyanide ion so it attacks from nitrogen side and isocyanide is formed predominantly.
is correct is not correct.
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This is a previous-year question from JEE Main 2024, covering the Haloalkanes And Haloarenes chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.