Per NCERT eqn 7.54, the balanced reduction half-reaction for Cr₂O₇²⁻ in acidic medium consumes how many H⁺?
A14 H⁺
B8 H⁺
C6 H⁺
D2 H⁺
Answer & Solution
Correct answer: A. 14 H⁺
NCERT eqn 7.54: Cr₂O₇²⁻ + 14 H⁺ + 6 e⁻ → 2 Cr³⁺ + 7 H₂O.
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