This set of Chemical Process Calculation question bank focuses on “Terminology for a Reaction System-III”.
1-9. For the given reaction
A FeS2 + b O2 → c Fe2O3 + d SO2
The reaction is balanced using the minimum values of the balancing coefficients.
1. What is the value of a?
a) 1
b) 2
c) 3
d) 4
View Answer
Explanation: Element Balance.
2. What is the value of b?
a) 11
b) 12
c) 13
d) 14
View Answer
Explanation: Element Balance.
3. What is the value of c?
a) 1
b) 2
c) 3
d) 4
View Answer
Explanation: Element Balance.
4. What is the value of d?
a) 2
b) 4
c) 6
d) 8
View Answer
Explanation: Element Balance.
5. What is the value of a+b+c-d?
a) 10
b) 20
c) 30
d) 40
View Answer
Explanation: Element Balance.
If for the above reaction, the extent of the reaction is 11 moles reacting.
6. How many moles of FeS2 are required for the reaction?
a) 11
b) 22
c) 33
d) 44
View Answer
Explanation: Required moles of FeS2 = 4(Extent of the reaction).
7. How many moles of O2 are required for the reaction?
a) 121
b) 11
c) 144
d) 12
View Answer
Explanation: Required moles of O2 = 11(Extent of the reaction).
8. How many moles of Fe2O3 are produced in the reaction?
a) 11
b) 22
c) 33
d) 44
View Answer
Explanation: Produced moles of Fe2O3= 2(Extent of the reaction).
9. How many Kgs of SO2 are produced in the reaction?
a) 5.632
b) 4.632
c) 3.632
d) 2.632
View Answer
Explanation: Produced Kgs of SO2 = 8*(Extent of the reaction)*64.
10. For a reaction, the extent of reaction equation is Ni = Nio + ϒVi is
Where:
Ni = Moles of species I present in the system after the reaction occurs
Nio = Moles of species I present in the system when the reaction starts
Vi = Stoichiometric coefficient for species i in the specified chemical reaction equation
ϒ = Extent of reaction
a) Correct
b) Incorrect
c) Some of the terms are defined wrong
d) None of the mentioned
View Answer
Explanation: Extent of the reaction for a reaction is, Ni = Nio + ϒVi.
Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
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