NVAMediumJEE Main 2026 · 21 January, Shift 1Oxidation Number & Redox Reactions

Chemistry Question from JEE Main 2026 · 21 January, Shift 1

Consider the reactions:

  1. NaCl+K2Cr2O7+H2SO4A+...NaCl+K_{2}Cr_{2}O_{7}+H_{2}SO_{4} \rightarrow A + ...
  2. A+NaOHB+...A + NaOH \rightarrow B + ...
  3. B+H2SO4+H2O2C+...B + H_{2}SO_{4}+H_{2}O_{2} \rightarrow C + ... In the product 'C', XX is the number of O22O_{2}^{2-} units, YY is the total number of oxygen atoms, and ZZ is the oxidation state of CrCr. The value of X+Y+ZX+Y+Z is _____.

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