1.

Sodium thiosulphate is prepared by [IIT 1996]

A. Reducing \[N{{a}_{2}}S{{O}_{4}}\] solution with \[{{H}_{2}}S\]
B. Boiling \[N{{a}_{2}}S{{O}_{3}}\] solution with \[S\] in alkaline medium
C. Neutralising \[{{H}_{2}}{{S}_{2}}{{O}_{3}}\] solution with \[NaOH\]
D. Boiling \[N{{a}_{2}}S{{O}_{3}}\] solution with \[S\] in acidic medium
Answer» C. Neutralising \[{{H}_{2}}{{S}_{2}}{{O}_{3}}\] solution with \[NaOH\]


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