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NEET-UG and JEE Main Chemistry

Uses and environmental effects of haloalkanes — practice questions

1 question in the bank on this idea. Below are 1 of them, exactly as they appear in a test.

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  1. Question 1 · difficulty L3 · understanding

    Choose the correct sequence of reagents in the conversion of 4-nitrotoluene to 2-bromotoluene.

    • A. NaNO2/HCl;Sn/HCl;Br2;H2O/H3PO2\mathrm{NaNO}_2 / \mathrm{HCl} ; \mathrm{Sn} / \mathrm{HCl} ; \mathrm{Br}_2 ; \mathrm{H}_2 \mathrm{O} / \mathrm{H}_3 \mathrm{PO}_2
    • B. Sn/HCl;NaNO2/HCl;Br2;H2O/H3PO2\mathrm{Sn} / \mathrm{HCl} ; \mathrm{NaNO}_2 / \mathrm{HCl} ; \mathrm{Br}_2 ; \mathrm{H}_2 \mathrm{O} / \mathrm{H}_3 \mathrm{PO}_2
    • C. Br2;Sn/HCl;NaNO2/HCl;H2O/H3PO2\mathrm{Br}_2 ; \mathrm{Sn} / \mathrm{HCl} ; \mathrm{NaNO}_2 / \mathrm{HCl} ; \mathrm{H}_2 \mathrm{O} / \mathrm{H}_3 \mathrm{PO}_2
    • D. Sn/HCl;Br2;NaNO2/HCl;H2O/H3PO2\mathrm{Sn} / \mathrm{HCl} ; \mathrm{Br}_2 ; \mathrm{NaNO}_2 / \mathrm{HCl} ; \mathrm{H}_2 \mathrm{O} / \mathrm{H}_3 \mathrm{PO}_2

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