A) \[HgS{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\]
B) \[C{{u}_{2}}C{{l}_{2}}\]
C) \[C{{u}_{2}}C{{l}_{2}}+N{{H}_{4}}Cl\]
D) \[C{{u}_{2}}C{{l}_{2}}+N{{H}_{4}}OH\]
Correct Answer: C
Solution :
\[2HC\equiv CH\xrightarrow[N{{H}_{4}}Cl]{C{{u}_{2}}C{{l}_{2}}}\underset{\text{vinyl}\,\text{acetylene}}{\mathop{{{H}_{2}}C=CH-C\equiv CH}}\,\] \[\xrightarrow{HCl}C{{H}_{2}}=\underset{\text{chloroprene}}{\mathop{CH-\underset{Cl}{\mathop{\underset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}}}\,\] \[\xrightarrow{\text{polymerisation}}-{{(C{{H}_{2}}-CH=\underset{Cl}{\mathop{\underset{|}{\mathop{C}}\,}}\,-C{{H}_{2}}-)}_{n}}\]
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