A) \[C{{H}_{3}}COOH\]
B) \[C{{H}_{3}}COONa\]
C) \[N{{H}_{4}}Cl\]
D) \[HCN\]
E) \[NaCl\]
Correct Answer: B
Solution :
\[C{{H}_{3}}COONa\]will give an alkaline solution on dissolving in water because it is a salt of strong base and weak acid. \[C{{H}_{3}}COONa+{{H}_{2}}O\rightleftharpoons \underset{\begin{smallmatrix} highly \\ ionised \end{smallmatrix}}{\mathop{NaOH}}\,+\underset{\begin{smallmatrix} feebly \\ ionised \end{smallmatrix}}{\mathop{C{{H}_{3}}COOH}}\,\] So, in solution the concentration of \[O{{H}^{-}}\] ion is higher than\[{{H}^{+}}\]concentration. Hence, aqueous solution of \[C{{H}_{3}}COONa\] is alkaline.
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