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Directing Effect of Substituents

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PPTs of Chemistry for Tutors/YouTubers
PPTs of Chemistry for Tutors/YouTuber

Chemistry PPTs for Tutors

Directing Effect of Substituents in Monosubstituted Benzene

When monosubstituted benzene is subjected to further substitution, all the three possible disubstituted products are not formed in equal amounts but, either ortho and para products or meta product is formed predominantly. In fact, the disubstituted product formed by further substitution of monosubstituted benzene depends upon the nature of the substituent already attached to the benzene ring, but not on the nature of the entering group. Thus, the substituent already present in the benzene ring directs the new incoming group to a definite position of the benzene ring.  This behavior of the substituents is called the directive influence or directing effect of the substituents.

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Directing Effect of Substituents in Monosubstituted Benzene

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  • Select a good mentor for all the subjects. Several educational channels and the best mentors of Physics, Chemistry, and Biology are available on YouTube for free. You may follow one of them for all the subjects rather than wandering here and there.
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  • Follow quality notes of a good mentor for all the subjects. Don’t run behind the brand, but run behind the concise and effective notes of your mentor.
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  • Solve practice problems and previous year’s papers in the specified time frame. It would help you to finish your paper timely in the final examination.
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Important Reference Books

(1) Physics-          (1) Concept of Physics by H.C. Verma

                             (2) Modern’s abc of Objective Physics

(2) Chemistry-     (1) Dr. O.P. Tandon (GRB Publication)

                            (2) Modern’s abc of Objective Chemistry

(3) Biology-         (1) Biology by Trueman 

                            (2) Modern’s abc of Objective Biology

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