JEE Main 2020 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 4 September 2020, Shift 2, Chemistry Q49

Question 49 of 75 in this shift, Chemistry question 24 of 25.

Consider the following equations :

2\ \mathrm{Fe^{2+} + H_2O_2} \rightarrow x\ \mathrm{A} + y\ \mathrm{B}

(in basic medium)

2\ \mathrm{MnO_4^- + 6\ H^+ + 5\ H_2O_2} \rightarrow x'\ \mathrm{C} + y'\ \mathrm{D} + z'\ \mathrm{E}

(in acidic medium) The sum of the stoichiometric coefficients

x, y, x', y'

and

z'

for products A, B, C, D and E, respectively, is __________.

Official answer

19.00

NTA final key (Sep 2020).

Same idea in other shifts