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Conjugate acid of a weak base is always stronger. What will be the decreasing order of basic strength of the following conjugate bases?
OH^{-}, RO^{-}, CH_{3}COO^{-} , Cl^{-}

 

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\begin{aligned} &\text {Conjugate acids of given bases are } \mathrm{H}_{2} \mathrm{O}, \mathrm{ROH}, \mathrm{CH}_{3} \mathrm{COOH}, \mathrm{HCl} \text { . }\\\\ &\text {Their acidic strength is in the order }\\ &\mathrm{HCl}>\mathrm{CH}_{3} \mathrm{COOH}>\mathrm{H}_{2} \mathrm{O}>\mathrm{ROH} \\ \\ &\text {Hence, basic strength is in the order : } \mathrm{RO}^{-}>\mathrm{OH}^{-}>\\ &\mathrm{CH}_{3} \mathrm{COO}^{-}>\mathrm{Cl}^{-} \end{aligned}

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