Cr³⁺ (aq) + ClO¹⁻₃ (aq) --> Cr₂O²⁻₇ (aq) + ClO¹⁻₂ (aq) Give the following information: (1) Which reactant is oxidized? (2) Which reactant is reduced? (3) which reactant is an oxidizing agent? (4) Which reactant is a reducing agent?
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Cr 3+………………………………………………>Cr2O7 2-………………….. Cr trivalent is oxydised to heptavalent and is Oxidised. It is reducing agent. ClO1-3…………………………………………………..>ClO1—2……………………..ClO Negative III……….reduced to negative II and gets reduced, it is oxidising agent.
Oxidation:
Oxygen oxygen O2 was historically the first oxidizing agent available or identified. Later, the term was generalized to encompass oxygen-like substances that can effect parallel chemical reactions.
Reduction:
The meaning of reduction accordingly generalized to include all processes involving gain of electrons.
Even though "reduction" duplicate meanings when speaking of the gain of electrons, it might be considered reduction as the loss of oxygen,
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