A) \[CaC{{\ell }_{2}}\]
B) \[NaC\ell \]
C) NaOH
D) \[NaHC{{O}_{3}}\]
Correct Answer: A
Solution :
\[N{{H}_{3}}+C{{O}_{2}}+{{H}_{2}}O\,\xrightarrow{\,}\,N{{H}_{4}}HC{{O}_{3}}\] \[NaC\ell +N{{H}_{4}}HC{{O}_{3}}\xrightarrow{\,}\,NaHC{{O}_{3}}+N{{H}_{4}}C\ell \]\[NaC\ell +N{{H}_{4}}HC{{O}_{3}}\xrightarrow{\,}\,NaHC{{O}_{3}}+N{{H}_{4}}C\ell \]\[2NaHC{{O}_{3}}\xrightarrow{{{150}^{0}}C}\,N{{a}_{2}}C{{O}_{3}}+C{{O}_{2}}\,+{{H}_{2}}O\] \[2N{{H}_{4}}C\ell \,+Ca{{(OH)}_{2}}\,\xrightarrow{\,}\,2N{{H}_{3}}+{{H}_{2}}O\,+CaC{{\ell }_{3}}\](byproduct)
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