Chemical Process Calculation Questions and Answers – Terminology for a Reaction System-I

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Terminology for a Reaction System-I”.

1. Extent of a reaction denotes
a) Total number of moles reacting in a reaction
b) How much a reaction is occurring?
c) Number of moles of a reactant that react in a reaction
d) None of the mentioned
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2. The unit of extent of a reaction is
a) Unit-less
b) Moles reacting
c) Kg reacting
d) None of the mentioned
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3. If 5 moles of N₂ react with excess H₂, according to the reaction: N₂ + 3 H₂ → 2 NH₃, what is the extent of the reaction?
a) 12 moles reacting
b) 8 moles reacting
c) 4 moles reacting
d) 2 moles reacting
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4. In the reaction N₂ + 3 H₂ → 2 NH₃, if 5 moles of N₂ are reacted, how many moles of N₂ are left after the reaction?
a) 1 mole
b) 2 moles
c) 4 moles
d) 3 moles
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5. In the reaction N₂ + 3 H₂ → 2 NH₃, if 5 moles of N₂ react, how many moles of NH₃ are produced?
a) 1 mole
b) 2 moles
c) 4 moles
d) 8 moles
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6. For the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, if 88 kg of C₃H₈ react with 160 moles of O₂, what is the extent of the reaction?
a) 1 mole
b) 2 moles
c) 3 moles
d) 4 moles
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7. For the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, if 88 kg of C₃H₈ react, how many moles of C₃H₈ remain unreacted after the reaction?
a) 1 mole
b) 2 moles
c) 3 moles
d) 4 moles
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8. For the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, how many kg of CO₂ are produced when 88 kg of C₃H₈ react?
a) 132
b) 88
c) 44
d) 22
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9. For the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, how many kg of H₂O are produced when 88 kg of C₃H₈ react?
a) 72
b) 36
c) 12
d) 6
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10. For the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, how many moles of O₂ are required to complete the reaction?
a) 0
b) 36
c) 72
d) 108
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Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
To practice all areas of Chemical Process Calculation, here is complete set of 1000+ Multiple Choice Questions and Answers.