A) it contains \[N{{a}_{2}}S{{O}_{4}}\] and \[KCl\]
B) It gives precipitate
C) it contains impurities
D) it is acidic in nature
Correct Answer: B
Solution :
[b] \[2RCOONa+M{{g}^{2+}}\to \underset{\text{Insoluble}}{\mathop{{{(RCOO)}_{2}}}}\,Mg+2N{{a}^{+}}\] \[2RCOONa+C{{a}^{2+}}\to \underset{\text{Insoluble}}{\mathop{{{(RCOO)}_{2}}}}\,Ca+2N{{a}^{+}}\]
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