Chemistry NMDCAT MCQs Limiting and Excess Reactants
nmdcat.online July 2, 2026

37. In the reaction 2Al + Cr₂O₃ → Al₂O₃ + 2Cr, 27 g of Al and 152 g of Cr₂O₃ are mixed. The mass of chromium produced is (Al = 27, Cr = 52, O = 16)

A. 52 g
B. 104 g
C. 26 g
D. 208 g

📝 Explanation

Al = 1 mol (limiting). Cr produced = 1 mol = 52 g.

📖 Additional Information

  • 52 g
  • 104 g
  • 26 g
  • 208 g

Al = 1 mol (limiting). Cr produced = 1 mol = 52 g.

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