jee_main_2026_21_jan_morning - d and f Block Elements Topics

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QUESTION #63 Compounds of Transition Elements
MnO₄²⁻, in acidic medium, disproportionates to :
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QUESTION #75 Chromyl Chloride Test and Chromate Chemistry
Consider the following reactions: NaCl + K₂Cr₂O₇ + H₂SO₄ arrow A + KHSO₄ + NaHSO₄ + H₂O A + NaOH arrow B + NaCl + H₂O B + H₂SO₄ + H₂O₂ arrow C + Na₂SO₄ + H₂O In the product 'C', 'X' is the number of O₂²⁻ units, 'Y' is the total number oxygen atoms present and 'Z' is the oxidation state of Cr. The value of X + Y + Z is ____.
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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