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

In the reaction 2Al + 3Cl₂ → 2AlCl₃, 54 g of Al is mixed with 71 g of Cl₂. The limiting reactant is

A. Aluminium
B. Chlorine
C. Both are stoichiometric
D. Aluminium chloride

📝 Explanation

Al = 2 mol, Cl₂ = 1 mol. Two moles Al require 3 mol Cl₂, so chlorine is limiting.

📖 Additional Information

  • Aluminium
  • Chlorine
  • Both are stoichiometric
  • Aluminium chloride

Al = 2 mol, Cl₂ = 1 mol. Two moles Al require 3 mol Cl₂, so chlorine is limiting.

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