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Question

Question: Which one of the following salts gives aqueous solution which is weakly basic....

Which one of the following salts gives aqueous solution which is weakly basic.

A

NaHCO3NaHCO_{3}

B

NaHSO4NaHSO_{4}

C

NaClNaCl

D

NH4HCO3NH_{4}HCO_{3}

Answer

NaHCO3NaHCO_{3}

Explanation

Solution

NaHCO3(Salt of strongbase & weakacid)Na++HCO3OH+CO2\underset{\begin{aligned} & (\text{Salt of strong} \\ & \text{base \& weak} \\ & \text{acid}) \end{aligned}}{NaHCO_{3}} \rightarrow Na^{+} + \underset{OH^{-} + CO_{2}}{\underset{\downarrow}{HCO_{3}^{-}}}