The correct order of increasing basicity of t | vedclass

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(D) The strength of a conjugate base is inversely proportional to the strength of its corresponding conjugate acid.First,we determine the acidic stren

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$RCOO^{-} < HC \equiv C^{-} < NH_2^{-} < R^{-}$

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(D) The strength of a conjugate base is inversely proportional to the strength of its corresponding conjugate acid.First,we determine the acidic strength order of the corresponding conjugate acids: $RCOOH > HC \equiv CH > NH_3 > RH$.Since $RCOOH$ is the strongest acid,its conjugate base $RCOO^{-}$ is the weakest base.Since $RH$ (alkane) is the weakest acid,its conjugate base $R^{-}$ is the strongest base.Therefore,the order of increasing basicity is: $RCOO^{-} < HC \equiv C^{-} < NH_2^{-} < R^{-}$.

The correct order of increasing basicity of the given conjugate bases $(R = CH_3)$ is

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