Chemical Process Calculation Questions and Answers – Two component Gas -Two component Liquid system-I

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Two component Gas -Two component Liquid system-I”.

1. In vapor-liquid equilibrium, the more volatile component tends to accumulate in ______ phase.
a) Vapor
b) Liquid
c) Solid
d) None of the mentioned
View Answer

Answer: a
Explanation: In vapor-liquid equilibrium, the more volatile component tends to accumulate in vapor phase.

2. In vapor-liquid equilibrium, the less volatile component tends to accumulate in ______ phase.
a) Vapor
b) Liquid
c) Solid
d) None of the mentioned
View Answer

Answer: b
Explanation: In vapor-liquid equilibrium, the less volatile component tends to accumulate in liquid phase.

3. In vapor-liquid equilibrium, the component with larger vapor pressure tends to accumulate in ______ phase.
a) Vapor
b) Liquid
c) Solid
d) None of the mentioned
View Answer

Answer: a
Explanation: In vapor-liquid equilibrium, the component with larger vapor pressure tends to accumulate in vapor phase.
advertisement
advertisement

4. In vapor-liquid equilibrium, the component with lesser vapor pressure tends to accumulate in ______ phase.
a) Vapor
b) Liquid
c) Solid
d) None of the mentioned
View Answer

Answer: b
Explanation: In vapor-liquid equilibrium, the component with larger vapor pressure tends to accumulate in liquid phase.

5. For a solution to be ideal
a) All the molecules of all type should have the same size
b) All the molecules of all type may have the same size
c) All the molecules of all type must not have the same size
d) None of the mentioned
View Answer

Answer: a
Explanation: For a solution to be ideal all the molecules of all type should have the same size.
Sanfoundry Certification Contest of the Month is Live. 100+ Subjects. Participate Now!

6. In an ideal solution
a) All of the molecules have same intra-molecular force
b) All of the molecules may have same intra-molecular force
c) All of the molecules do not have same intra-molecular force
d) None of the mentioned
View Answer

Answer: a
Explanation: In an ideal solution all of the molecules have same intra-molecular force.

7-9. For the given Raoult`s law expression: Pi = XiPi*(T)
7. What Pi represents in the expression?
a) Partial pressure of component i in the vapor phase
b) Mole fraction of component i in the liquid phase
c) Vapor pressure of component i at T
d) None of the mentioned
View Answer

Answer: a
Explanation: What Pi represents the Partial pressure of component i in the vapor phase.
advertisement

8. What Xi represents in the expression?
a) Partial pressure of component i in the vapor phase
b) Mole fraction of component i in the liquid phase
c) Vapor pressure of component i at T
d) None of the mentioned
View Answer

Answer: b
Explanation: Xi represents the Mole fraction of component i in the liquid phase.

9. What Pi represents in the expression?
a) Partial pressure of component i in the vapor phase
b) Mole fraction of component i in the liquid phase
c) Vapor pressure of component i at T
d) None of the mentioned
View Answer

Answer: c
Explanation: Pi represents the Vapor pressure of component i at T.
advertisement

10. Raoult`s law is used primarily for a component whose mole fraction approaches ________
a) 0.25
b) 0.50
c) 0.75
d) 1.00
View Answer

Answer: d
Explanation: Raoult`s law is used primarily for a component whose mole fraction approaches to unity.

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]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
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.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.