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2 moles of N2 and 8 moles of H2 are reacted, then what type of reactant N2 is?(a) Limiting reagent(b) Excess reagent(c) Can’t say(d) None of the mentionedThis question was addressed to me during an interview for a job.This key question is from Stoichiometry Applications Terminology in portion The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

Answer»

The correct CHOICE is (a) Limiting reagent

Explanation: The balanced chemical reaction is N2 + 3H2 -> 2NH3, => If 2 MOLES of N2 are REACTING only 6 moles of H2 will react, this MEANS H2 is an excess reagent and N2 is a limiting reagent.



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