JEE Mains Chemistry Past PapershardNUMERICAL

The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of prJEE Mains Chemistry Past Papers Chemistry Question

Question

The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of products A and B along with the evolution of CO2. The sum of spin-only magnetic moment values of A and B is ___ B.M. (Nearest integer) (Given atomic number : C : 6, Na : 11, O : 8, Fe : 26, Cr : 24]

Answer: .

💡 Solution & Explanation

4FeCr2O4 + 8Na2CO3 + 7O2 → 8Na2CrO4 + 2Fe2O3 + 8CO2 A B Spin only magnetic moment For Na2CrO4 µB = 0 For Fe2O3 µB = 5.9 sum = 5.9 $//(1® Final JEE-Main Exam April, 2024/05-04-2024/Evening Session

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