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NEET generalGeneralHard

Question

The compound C7H8C_7H_8 undergoes the following reactions: C7H8→3Cl2/ΔA→Br2/FeB→Zn/HClCC_7H_8 \xrightarrow{3Cl_2/\Delta} A \xrightarrow{Br_2/Fe} B \xrightarrow{Zn/HCl} C. The product 'C' is

1

3-bromo-2,4,6-trichlorotoluene

2

o-bromotoluene

3

m-bromotoluene

4

p-bromotoluene

Step-by-Step Solution

Toluene (C7H8C_7H_8) reacts with 3Cl2/Δ3Cl_2/\Delta to form benzotrichloride. Then Br2/FeBr_2/Fe performs electrophilic substitution at the meta position due to the deactivating −CCl3-CCl_3 group. Finally, Zn/HClZn/HCl reduces −CCl3-CCl_3 to −CH3-CH_3.

Exam Context & Concepts Covered

This question aligns with the NEET general syllabus, specifically targeting concepts from General. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

generalcompoundundergoesfollowingreactionsxrightarrowcldelta

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