Chemical Process Calculation Questions and Answers – Stoichiometry – VI

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

1-10. For the given combustion reaction
a CH4 + b O2 → c CO2 + d H2O
1. What is the value of a?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: Carbon and Oxygen on both the sides.

2. What is the value of b?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: b
Explanation: Carbon and Oxygen on both the sides.

3. What is the value of c?
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: Carbon and Oxygen on both the sides.
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4. What is the value of d?
a) 1
b) 2
c) 5
d) 6
View Answer

Answer: b
Explanation: Carbon and Oxygen on both the sides.

5. For producing 10 moles of H2O, how many moles of CH4 are required? (Consider O2 is in excess)
a) 1
b) 2
c) 5
d) 10
View Answer

Answer: c
Explanation: 1 mole of CH4 is equivalent to 2 moles of H2O.

6. How many moles of O2 are required for producing 10 moles of H2O? (Consider C4H10 is in excess)
a) 10
b) 20
c) 25
d) 30
View Answer

Answer: a
Explanation: 1 mole of O2 is equivalent to 1 moles of H2O.

7. How much CO2 in kg can be produced with 1 mole of CH4? (Consider O2 is in excess)
a) 44
b) 88
c) 132
d) 176
View Answer

Answer: a
Explanation: 1 mole of CH4 is equivalent to 1 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) 22
b) 88
c) 132
d) 176
View Answer

Answer: a
Explanation: 2 moles of O2 is equivalent to 1 moles of CO2.

9. For producing 36 gms of water in the reaction, how many moles of CH4 are required?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: a
Explanation: 1 mole of CH4 is equivalent to 2 moles (36 gms) of H2O.
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10. For producing 90 gms of water in the reaction, how many moles of O2 are required?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: 5
Explanation: 1 moles of O2 is equivalent to 1 moles 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.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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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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