1.

Consider the following haloakanes 1 CH_(3)F 2 CH_(3)Cl 3 CH_(2)Br 4 CH_(3)I The increasing order of reactivity in nucelophilic subsittutionreaction is

Answer»

`1 lt 2 lt 4 lt 3`
`1 lt 2 lt 3 lt 4`
`1 lt 3 lt 2 lt 4`
`4 lt 3 lt 2 lt 1`

SOLUTION :The rate of nucleophilic substituion reaction depends upon the strenght of C-X bond. Strongerthe C-X bond. The lesser will be its reactivity. Strenght of C-X bond dependsupon the atomic size of halogen atom, which increases in the ORDER `FLT Cl lt Br lt I`.


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