A. 162 gam.
B. 162 gam.
C. 432 gam.
D. 108 gam.
C
\(\begin{array}{l} \left\{ \begin{array}{l} {O_X} = 4\\ {n_X}:{n_{NaOH}} = 1:3 \end{array} \right. \Rightarrow X:\,\, - COO{C_6}{H_4}COO - \,\,(*)\\ \,\,\,\,\,\,\,X\,\,({C_X} = 10) \to \left\{ \begin{array}{l} {C_n}{H_{2n + 1}}CHO\\ RCOONa\,\,(M < 100) \end{array} \right.\,\,(**)\\ + \,(*)\,\,va\,\,(**),\,\,suy\,\,ra:\,\,\left\{ \begin{array}{l} n = 1;\,\,R\,:\,\,H\\ X\,:\,HCOO{C_6}{H_4}COOCH = C{H_2} \end{array} \right.\\ + \,\,\left\{ \begin{array}{l} \underbrace X_{1\,\,mol} + \underbrace {3NaOH}_{3\,\,mol} \to \underbrace {HCOONa}_{1\,\,mol} + NaO{C_6}{H_4}COONa + \underbrace {C{H_3}CHO}_{1\,\,mol}\\ {n_{Ag}} = 2{n_{HCOONa}} + 2{n_{C{H_3}CHO}} = 4 \Rightarrow {m_{Ag}} = 432\,gam. \end{array} \right. \end{array}\)
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