Which of the following cannot give iodometric titration?
Show Hint
- Fe³⁺
- Cu²⁺
- Pb²⁺
- Ag²⁺
The Correct Option is A
Solution and Explanation
Step 1: Principle of iodometric titration. Oxidizing agents liberate iodine from iodide.
Step 2: Fe³+ behaviour. Fe³⁺ does not liberate iodine quantitatively.
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\[ \text{Pt} \, | \, \mathrm{HSnO_2^- (aq)} \, | \, \mathrm{Sn(OH)_6^{2-} (aq)} \, | \, \mathrm{OH^- (aq)} \, | \, \mathrm{Bi_2O_3 (s)} \, | \, \mathrm{Bi (s)} \] If the reaction quotient at a given time is \(10^6\), then the cell EMF (\(E_{\text{cell}}\)) is _________ \( \times 10^{-1} \) V (Nearest integer).
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