QuestionAnalytical chemistry / permanganometry
A solution of oxalic acid needs to be heated up to 60°C before titrating with potassium permanganate solution. Which one of the following is not a reason for this ?
- (a) It helps in removal of dissolved carbon dioxide from the solution
- (b) It helps in increasing the rate of reaction
- (c) High temperature decomposes [Mn(C₂O₄)₃]³⁻ complex if formed during the titration
- (d) Oxalic acid precipitates at room temperature
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