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4G+. 40, l 5:28, , 61%, 1/37, Haloalkanes and Haloarenes, Multiple Choice Questions (Type-ll, The order of reactivity of following alcohok with halogen acids is,, (A) CHICH -CH-On, (B) CH,CH-CH-OH, 1., CH,, CH,, (C) CH,CH,--OH, CH,, (9 (A) > (B) > (C), (1) (C) > (U) > (A), (11) (B)> (A)> (C), (ir) (A) (E) > (H), Ans. (ii), Explanation: Greater the stability of carbecation, greater will be its ease of fcemation, from alkyl halide and faster will be the rate of reaction In case of alkyl halides, 31 allkyl, halides undergo Sul reaction very fast because of the high stability of 3°carbccations, 2., Which of the following alcohols will yield the corresponding alkyl chloride on, reaction with concentrated HCI at room temperature?, (i) CH;CH-CH;-OH, CH,CH,-CH-OH, CH,, Q1) CH,CH-CH-CH,OH, CH,, CH,, liv), CH,CH--OH, CH,, Ans. (iv), Explanation: The reactions cf primary and secondary alcohals with HCI require the, presence of : catalyst, ZnCl.. With tertiary alcobols, the reartion is condacted by simply, shaking with concentrated HCl at raom temperature. The crder of reactivity nf alenhels, nith a given haloacid is 321., 3., Identify the compound Y in the following reaction, NH,, NaNO, HCI, 273-278K, CuCl Y. N,, Ans (i), Explanation: The CI, B and CN mucleophiks can easily be introdued in the benene, rine of diaznnium salts in the nresence of Cufn inn., bob