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

75. In the reaction 2Al + 6HCl → 2AlCl₃ + 3H₂, 5.4 g of aluminium and 21.9 g of HCl are mixed. The volume of hydrogen at STP produced is

A. 6.72 dm³
✓
B. 2.24 dm³
C. 4.48 dm³
D. 8.96 dm³

📝 Explanation

Stoichiometric mixture. H₂ produced = 0.3 mol. Volume = 6.72 dm³.

📖 Additional Information

  • 6.72 dm³
  • 2.24 dm³
  • 4.48 dm³
  • 8.96 dm³

Stoichiometric mixture. H₂ produced = 0.3 mol. Volume = 6.72 dm³.

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