A) 20
B) 40
C) 60
D) 80
Correct Answer: D
Solution :
\[\text{m}{{\text{s}}^{\text{-1}}}\] \[{{C}_{6}}{{H}_{5}}CH=N-N=CH{{C}_{6}}{{H}_{5}}\] \[N{{H}_{3}}\] 9.0g 1.74g. \[N{{H}_{2}}N{{H}_{2}}\]reacts with \[-{{\left( C{{H}_{2}}-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\mathop{CH}}\, \right)}_{n}}-\] \[-{{\left( C{{H}_{2}}-\underset{\begin{smallmatrix} | \\ CN \end{smallmatrix}}{\mathop{CH}}\, \right)}_{n}}-\] \[-{{\left( C{{H}_{2}}-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\overset{\begin{smallmatrix} Cl \\ | \end{smallmatrix}}{\mathop{C}}}\, \right)}_{n}}-\] will react with \[\xrightarrow[{}]{{}}2\] Molecular mass \[C{{l}_{2}},\]or 331 = 12 + 4 XX \[C{{l}_{2}},FeC{{l}_{3}}\]
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