A) \[\text{(i)}\,\text{CaC}{{\text{O}}_{\text{3}}}\text{;}\,\text{(ii)}\,\text{C}{{\text{O}}_{\text{2}}}\]
B) \[\text{(i) }{{\text{H}}_{\text{2}}}\text{O;}\,\text{(ii)}\,\text{CaC}{{\text{O}}_{\text{3}}}\]
C) \[\text{(i) C}{{\text{O}}_{\text{2}}};\,(\text{ii})\,\text{CaC}{{\text{O}}_{\text{3}}}\]
D) \[\text{(i)}\,{{\text{H}}_{\text{2}}}\text{O;}\,\,\text{(ii)}\,\text{C}{{\text{O}}_{\text{2}}}\]
Correct Answer: C
Solution :
\[\text{C}{{\text{H}}_{\text{3}}}\text{COOH+NAHC}{{\text{O}}_{\text{3}}}\xrightarrow{{}}\text{C}{{\text{H}}_{\text{3}}}\text{CO}{{\text{O}}^{-}}\,\text{N}{{\text{a}}^{\text{+}}}\text{+}{{\text{H}}_{\text{2}}}\text{O+C}{{\text{O}}_{\text{2}}}\] \[\text{C}{{\text{O}}_{\text{2}}}\text{+Ca(OH}{{\text{)}}_{\text{2}}}\xrightarrow{{}}\text{CaC}{{\text{O}}_{\text{3}}}\text{+}{{\text{H}}_{\text{2}}}\text{O}\]
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