Consider the following reactions : NaCl+K_2 Cr_2 O_7+H_2 SO_4 \rightarrow A+KHSO_4+NaHSO_4+H_2 O A+NaOH \rightarrow B+NaCl+H_2 O B+H_2 SO_4+H_2 O_2 \rightarrow C+Na_2 SO_4+H_2 O In the product ' C^{'},{ }^{'} X^{'} ' is the number of O_2^{2-} units, ' Y ' is the total number oxygen atoms present and ' Z ' is the oxidation state of C r. The value of X+Y+Z is \_\_\_\_ . [21 Jan 2026 Shift 1]

d and f Block Elements Part 3

Section: Chemistry

Question : 8 of 29

Marks: +1, -0

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 ____ .

[21 Jan 2026 Shift 1]

Your Answer:

Validate

Go to Question:

Prev Question

Next Question