JEE Main 2023 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 11 April 2023, Shift 1, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

\mathrm{KClO_3 + 6FeSO_4 + 3H_2SO_4 \rightarrow KCl + 3Fe_2(SO_4)_3 + 3H_2O}

The above reaction was studied at 300 K by monitoring the concentration of

\mathrm{FeSO_4}

in which initial concentration was 10 M and after half an hour became 8.8 M. The rate of production of

\mathrm{Fe_2(SO_4)_3}

is __________

\times10^{-6}\ \mathrm{mol\ L^{-1}\ s^{-1}}

. (Nearest integer)

Official answer

333

NTA final key.

Same idea in other shifts