Thiosulphate reacts differently with iodine and bromine in the reaction given below:

\(2{\text{S}}_{2}{{\text{O}}_{3}}^{2−}+{\text{I}}_{2}\to {\text{S}}_{4}{{\text{O}}_{6}}^{2−}+2{\text{I}}^{−}\)

\({\text{S}}_{2}{{\text{O}}_{3}}^{2−}+5{\mathrm{Br}}_{2}+5{\text{H}}_{2}\text{O}\to 2{\mathrm{SO}}_{4}^{2−}+4{\mathrm{Br}}^{−}+10{\text{H}}^{+}\)

Which of the following statement justifies the above dual behaviour of thiosulphate?

Question

Thiosulphate reacts differently with iodine and bromine in the reaction given below:

\(2{\text{S}}_{2}{{\text{O}}_{3}}^{2−}+{\text{I}}_{2}\to {\text{S}}_{4}{{\text{O}}_{6}}^{2−}+2{\text{I}}^{−}\)

\({\text{S}}_{2}{{\text{O}}_{3}}^{2−}+5{\mathrm{Br}}_{2}+5{\text{H}}_{2}\text{O}\to 2{\mathrm{SO}}_{4}^{2−}+4{\mathrm{Br}}^{−}+10{\text{H}}^{+}\)

Which of the following statement justifies the above dual behaviour of thiosulphate?

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Thiosulphate reacts differently with iodine and bromine in the reaction given below: \(2{\text{S}}_{2}{{\text{O}}_{3}}^{…