A) \[N{{a}_{2}}S{{O}_{3}},NaHS{{O}_{3}},N{{a}_{2}}S,A{{g}_{2}}S\]
B) \[NaHS{{O}_{3}},N{{a}_{2}}S{{O}_{3}},N{{a}_{2}}{{S}_{2}}{{O}_{3}},A{{g}_{2}}S\]
C) \[NaHS{{O}_{3}},N{{a}_{2}}S{{O}_{4}},N{{a}_{2}}S,A{{g}_{2}}O\]
D) \[N{{a}_{2}}S{{O}_{3}},N{{a}_{2}}S{{O}_{4}},N{{a}_{2}}{{S}_{2}}{{O}_{3}},Ag\]
Correct Answer: B
Solution :
[b] \[N{{a}_{2}}C{{O}_{3}}+2S{{O}_{2}}+{{H}_{2}}O\to \underset{[A]}{\mathop{2NaHS{{O}_{3}}}}\,+C{{O}_{2}}\] \[\underset{[A]}{\mathop{2NaHS{{O}_{3}}}}\,+N{{a}_{2}}C{{O}_{3}}\to \underset{[B]}{\mathop{2N{{a}_{2}}S{{O}_{3}}}}\,+{{H}_{2}}O+C{{O}_{2}}\] \[\underset{[B]}{\mathop{2N{{a}_{2}}S{{O}_{3}}}}\,+S\xrightarrow{Heat}\underset{[C]}{\mathop{2N{{a}_{2}}{{S}_{2}}{{O}_{3}}}}\,\] \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}+AgN{{O}_{3}}\to \underset{[D]}{\mathop{A{{g}_{2}}S}}\,+{{H}_{2}}S{{O}_{4}}\]
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