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Test: Gas Absorption Principle


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11 Questions MCQ Test Mass Transfer | Test: Gas Absorption Principle

Test: Gas Absorption Principle for Chemical Engineering 2023 is part of Mass Transfer preparation. The Test: Gas Absorption Principle questions and answers have been prepared according to the Chemical Engineering exam syllabus.The Test: Gas Absorption Principle MCQs are made for Chemical Engineering 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Gas Absorption Principle below.
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Test: Gas Absorption Principle - Question 1

 Gas absorption is the process of transferring solute component from liquid solvent to gas mixture. False

Detailed Solution for Test: Gas Absorption Principle - Question 1

Explanation: Solute transfer from liquid to gas is known as stripping or desorption. The solute transfer of gas to liquid is known as Absorption.

Test: Gas Absorption Principle - Question 2

The equilibrium characteristics of the solubility of gas in liquid helps to determine the

Detailed Solution for Test: Gas Absorption Principle - Question 2

Explanation: The equilibrium diagram helps to determine the flux with the help of mass transfer co-efficient and concentration gradient.

Test: Gas Absorption Principle - Question 3

Solubility of a gas increases with increase in temperature.

Detailed Solution for Test: Gas Absorption Principle - Question 3

Explanation: As per the equilibrium solubility curve, if the temperature increases partial pressure increases resulting in decreasing solubility.

Test: Gas Absorption Principle - Question 4

Which of the following is not an example of ideal solution?

Detailed Solution for Test: Gas Absorption Principle - Question 4

Explanation: Only adjacent homologous series falls in ideal solution category. Here, isobutane is an alkane and olefins are alkenes.

Test: Gas Absorption Principle - Question 5

 According to Raoult’s law, for a pure component solution the partial pressure is equals to

Detailed Solution for Test: Gas Absorption Principle - Question 5

Explanation: Generally, Raoult’s law states that, equilibrium partial pressure of a component at certain conditions equals to the product of the mole fraction and the vapour pressure. For a pure component (i.e.) mole fraction equals one.
Therefore, the partial pressure equals vapour pressure.

Test: Gas Absorption Principle - Question 6

According to Hendry’s law,
a) Y=(p/P)
b) Y=(p* P)
c) p=(Y/P)
d) p=(Y*P)
Where, Y=equilibrium mole fraction in vapour
pA= partial pressure
P= Total pressure

Detailed Solution for Test: Gas Absorption Principle - Question 6

Explanation: For a straight line Y=m*x, the law proved by Hendry. (i.e.) Y=(y/P) =m*x.

Test: Gas Absorption Principle - Question 7

Match the following
1) Hendry’s law – a)Ideal solution
2) Dalton’s law – b)Non- Ideal solution
3) Raoult’s law -c)Sum of partial pressure 

Detailed Solution for Test: Gas Absorption Principle - Question 7

Explanation: Dalton proved a generalized equation states that total pressure is equals to the sum of the partial pressure of the components. Raoult’s law is applicable for only ideal solution since the partial pressure is equals to the product of mole fraction and the vapour pressure.

Test: Gas Absorption Principle - Question 8

Find the false statement for the better choice of absorbent.

Detailed Solution for Test: Gas Absorption Principle - Question 8

For a better choice of absorbent, the viscosity should be low to get the rapid absorption rates, low pressure drops in absorption tower.

Test: Gas Absorption Principle - Question 9

Find the most common example for absorption.

Detailed Solution for Test: Gas Absorption Principle - Question 9

Explanation: Since air won’t dissolve in water the affinity of nitrogen towards the water will be more which converts ammonia into ammonium solution. But in other options the hydrocarbons easily dissolves in polar solvents.

Test: Gas Absorption Principle - Question 10

Find the improper characteristic of ideal solution.

Detailed Solution for Test: Gas Absorption Principle - Question 10

Explanation: Because the vapour pressure only varies linearly with compositions.

Test: Gas Absorption Principle - Question 11

Find the most common example for absorption.

Detailed Solution for Test: Gas Absorption Principle - Question 11

Explanation: Since air won’t dissolve in water the affinity of nitrogen towards the water will be more which converts ammonia into ammonium solution. But in other options the hydrocarbons easily dissolves in polar solvents.

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