4 moles of CO and 2 moles of O2 are reacted, then what type of reactant O2 is?(a) Limiting reagent(b) Excess reagent(c) Can’t say(d) None of the mentionedI had been asked this question in unit test.My doubt is from Stoichiometry Applications Terminology topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

4 moles of CO and 2 moles of O2 are reacted, then what type of reactan

1.	4 moles of CO and 2 moles of O2 are reacted, then what type of reactant O2 is?(a) Limiting reagent(b) Excess reagent(c) Can’t say(d) None of the mentionedI had been asked this question in unit test.My doubt is from Stoichiometry Applications Terminology topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering
Answer» The correct choice is (d) None of the mentioned The explanation is: The BALANCED CHEMICAL reaction is 2CO + O2 -> 2CO2, => If 4 MOLES of CO are reacting, 2 moles of O2 will REACT, this means none of the two is limiting reagent or excess reagent.

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