Chemical Process Calculation Questions and Answers – Stoichiometry – V

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Stoichiometry – V”.

1. In the combustion reaction C4H10 + O2 → CO2 + H2O, what is the value of “a” for C4H10?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: Carbon and Oxygen are balanced on both sides.

2. In the combustion reaction C4H10 + O2 → CO2 + H2O, what is the value of “b” for O2?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: d
Explanation: Carbon and Oxygen are balanced on both sides.

3. In the combustion reaction C4H10 + O2 → CO2 + H2O, what is the value of “c” for CO2?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: b
Explanation: Carbon and Oxygen are balanced on both sides.
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4. In the combustion reaction C4H10 + O2 → CO2 + H2O, what is the value of “d” for H2O?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: c
Explanation: Carbon and Oxygen are balanced on both sides.

5. For producing 10 moles of H2O in the combustion of C4H10, how many moles of C4H10 are required? (Consider O2 is in excess)
a) 1
b) 2
c) 5
d) 10
View Answer

Answer: b
Explanation: 1 mole of C4H10 produces 2 moles of H2O.

6. How many moles of O2 are required to produce 10 moles of H2O in the combustion of C4H10? (Consider C4H10 is in excess)
a) 6.5
b) 13
c) 15
d) 30
View Answer

Answer: b
Explanation: 6.5 moles of O2 are required for 5 moles of H2O.

7. How much CO2 (in kg) can be produced with 1 mole of C4H10? (Consider O2 is in excess)
a) 44
b) 88
c) 132
d) 176
View Answer

Answer: d
Explanation: 1 mole of C4H10 produces 4 moles of CO2.
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8. How much CO2 (in kg) can be produced with 1 mole of O2? (Consider C4H10 is in excess)
a) 26.07
b) 27.07
c) 28.08
d) 29.08
View Answer

Answer: b
Explanation: 6.5 moles of O2 produce 4 moles of CO2.

9. For producing 90 grams of water in the combustion of C4H10, how many moles of C4H10 are required?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: a
Explanation: 1 mole of C4H10 produces 5 moles (90 grams) of H2O.
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10. For producing 90 grams of water in the combustion of C4H10, how many moles of O2 are required?
a) 2.5
b) 4.5
c) 6.5
d) 8.5
View Answer

Answer: c
Explanation: 6.5 moles of O2 are required for 5 moles (90 grams) of H2O.

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.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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