1.

The correct decreasing order of basic strength of the following species is_____ H_(2)O,NH_(3),OH^(-),NH_(2)^(-)

Answer»

`NH_(2)^(-) GT OH^(-) gt NH_(3) gt H_(2)O`
`OH^(-) gt NH_(2)^(-) gt H_(2)O gt NH_(3)`
`NH_(3) gt H_(2)O gt NH_(2)^(-) gt OH^(-)`
`H_(2)O gt NH_(3) gt OH^(-) gt NH_(2)^(-)`

Solution :ANILINE is a weaker BASE than `NH_(3)` is more basic than `H_(2)O`, therefore, `NH_(2)^(-)` is a stronger base than `OH^(-)`. Thus, the decreasing order of basic strength is option (a), i.e., `NH_(2)^(-) gt OH^(-) gt NH_(3) gt H_(2)O`.


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