Consider the following reactions: NaCl+K₂Cr₂O₇+H₂SO₄→ A+KHSO₄+NaHSO₄+H₂O; A+NaOH→ B+NaCl+H₂O; B+H₂SO₄+H₂O₂→ 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 _ _ _.

d- and f-Block Elements: JEE Main 2026 Chemistry question

JEE Main 2026 · 21 Jan, Morning shift · Q72

JEE Main 202621 Jan, Morning shiftChemistryHardd- and f-Block Elements158× since 2002

Consider the following reactions :

\mathrm{NaCl+K_2Cr_2O_7+H_2SO_4\rightarrow A+KHSO_4+NaHSO_4+H_2O}

;

\mathrm{A+NaOH\rightarrow B+NaCl+H_2O}

;

\mathrm{B+H_2SO_4+H_2O_2\rightarrow C+Na_2SO_4+H_2O}

. In the product 'C', 'X' is the number of

\mathrm{O_2^{2-}}

units, 'Y' is the total number oxygen atoms present and 'Z' is the oxidation state of Cr. The value of

X+Y+Z

is ______.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 d- and f-Block Elements Question with Solution (21 Jan Morning shift, Q72) | JEE Arc