Halogen Derivatives – JEE Advanced Previous Year Questions with Solutions

JEE Advanced Previous Year Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Advanced Previous Year Papers Questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas.

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Previous Years JEE Advance Questions

Q. In the reactionthe products are

[IIT 2010]

Sol. (D)


Q. The total number of alkenes possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH is

[IIT 2011]

Sol. 5


Q. The maximum number of isomers (including stereoisomers) that are possible on mono-chlorination of the following compounds, is

[IIT 2011]

Sol. 8


Q. KI in acetone, undergoes $\mathrm{S}_{\mathrm{N}} 2$ reaction with each of P, Q, R and S. The rates of the reaction vary as –


.

(A) P > Q > R > S

(B) S > P > R > Q

(C) P > R > Q > S

(D) R > P > S > Q

[IIT 2013]

Sol. (B)


Q. The reactivity of compound Z with different halogens under appropriate conditions is given below-

The observed pattern of electrophilic substitution can be explained by –

(A) The steric effect of the halogen

(B) The steric effect of the tert-butyl group

(C) The elctronic effect of the phenolic group

(D) The electronic effect of the turt-butyl group

[IIT 2014]

Sol. (A,B,C)

The observed pattern of electrophilic substitution can be explained by –

(A) The steric effect of the halogen

(B) The steric effect of the tert-butyl group

(C) The elctronic effect of the phenolic group

(D) The electronic effect of the turt-butyl group


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