The increasing order of reduction of alkyl halides with zinc and dilute HCl is
(i) R–Cl< R–I < R–Br
(ii) R–Cl< R–Br < R–I
(iii) R–I < R–Br < R–Cl
(iv) R–Br< R–I < R–Cl
The increasing order of reduction of alkyl halides with zinc and dilute HCl is
(i) R–Cl< R–I < R–Br
(ii) R–Cl< R–Br < R–I
(iii) R–I < R–Br < R–Cl
(iv) R–Br< R–I < R–Cl
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
(ii) R–Cl< R–Br < R–I
The reduction of alkyl halides depends upon the C-X bond strength i.e. lesser the bond strength higher will be the reactivity of alkyl halide. As down the group size of the halogens increases thus the bond strength decreases.
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