Question bank/JEE Main/Chemistry

JEE MainChemistryModeratePhysical Chemistry

The oxidation state of chromium in the final product formed by
the reaction between KI and acidified potassium dichromate solution is

Show answer and solution
Cr2O7+62−+14H++6I⟶Cr+3 13+7H2O+3I2{\overset{+ 6}{{Cr}_{2}O_{7}}}^{2 -} + 14H^{+} + 6I \longrightarrow {Cr}^{+ 3}\ _{1}^{3} + 7H_{2}O + 3I_{2}

Source: Grass-G / CH-28 Chemistry Paper FST 16 Jan.docx

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