1.

Arrange in increasing order of solubility of AgBr in solutions given (i)0.1 M NH_(3)(ii)0.1 MAgNo_(3)(iii)0.2 M NaBr (iv)pure water

Answer»

`(III)lt(ii)lt(iv)lt(i)`
`(iii)lt(ii)lt(i)lt(iv)`
`(iii)lt(ii)lt(i)lt(iv)`
`(ii)lt(iii)lt(iv)lt(i)`

SOLUTION :`AgBr rarr "in" NH_(3) "(SOLUBILITY uparrow, due to STABLE complex )"`
`rarr "in" 0.1 M AgNO_(3) "(Solubilty downarrow)"`
`rarr "in" 0.2 MNaBr "(Solubility downarrowmore)"`
`rarr "in pure water (Normal DISSOLUTION)"`
(iii),`"lt"(ii),"lt"(iv),"lt"(i)`


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