A) 12
B) 63
C) 53
D) 40
Correct Answer: B
Solution :
\[\begin{matrix} \underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{COOH}}\, \\ COOH \\ \end{matrix}\]. \[2{{H}_{2}}O\]\[\to \ 126\]is molecular wt. \[\therefore \text{Equivalent}\,\,\text{wt}\text{.}=\text{Molecular}\,\,\text{wt}\,\text{.}/2=63\]
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