Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
(i) HCl>HBr> HI
(ii) HBr> HI >HCl
(iii) HI >HBr>HCl
(iv) HCl> HI >HBr
Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
(i) HCl>HBr> HI
(ii) HBr> HI >HCl
(iii) HI >HBr>HCl
(iv) HCl> HI >HBr
This is a multiple choice answer as classified in NCERT Exemplar
(iii) The addition of alkyl halides to propene depends upon the H-X bond strength i.e. lesser the bond strength higher will be the reactivity of the alkyl halide. As down the group size of the halogens increases thus the bond strength
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