Estimation of reducing substances by the use of standard `I_(2)`, `I_(2)+2S_(2)O_(3)^(2-)rarr S_(4)O_(6)^(2-)+2I^(Theta)` is called
Estimation of reducing substances by the use of standard `I_(2)`,
`I_(2)+2S_(2)O_(3)^(2-)rarr S_(4)O_(6)^(2-)+2I^(Theta)` is called
A. Iodimetry
B. Iodometry
C. Both A and B
D. None.
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Correct Answer - A
Iodimetry : It involves the direct titration of reducing agent (like thiosulphate) with standard iodine solution.
Iodometry : In these titrations, iodine is firstly liberated by treatment of KI with oxidising agent and then this liberated iodine is titrated with reducing agent.
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