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Redox Reactions question

2014 · Shift 1 · Q17
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Redox Reactions question

2014 · Shift 1 · Q17

JEE AdvancedChemistryRedox ReactionsNumerical+3 / −1
Consider the following list of reagents, acidified K2Cr2O7K_2Cr_2O_7K2​Cr2​O7​, alkaline KMnO4KMnO_4KMnO4​, CuSO4CuSO_4CuSO4​, H2O2H_2O_2H2​O2​, Cl2Cl_2Cl2​, O3O_3O3​, FeCl3FeCl_3FeCl3​, HNO3HNO_3HNO3​ and Na2S2O3Na_2S_2O_3Na2​S2​O3​. The total number of reagents that can oxidise aqueous iodide to iodine is
Numerical answer
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