Chemical Process Calculation online test focuses on “Stoichiometry- VIII”.
1-10. For the given inorganic chemical reaction
CH4 + Cl2 → CH3Cl + HCl
Molecular weights of the species CH4, Cl2, CH3Cl and HCl are 16, 71, 50.5 and 36.5 gms respectively.
1. For producing 1 mole of CH3Cl, how many moles of CH4 are required? (Consider Cl2 in excess)
a) 1
b) 4
c) 5
d) 6.5
Answer: a
Clarification: 1 mole of CH3Cl is equivalent to 1 mole of CH4.
2. For producing 1 mole of CH3Cl, how many moles of Cl2 are required? (Consider CH4 in excess)
a) 1
b) 4
c) 5
d) 6.5
Answer: a
Clarification: 1 mole of CH3Cl is equivalent to 1 mole of Cl2.
3. For producing 1 mole of HCl, how many moles of CH4 are required? (Consider Cl2 in excess)
a) 1
b) 4
c) 5
d) 6.5
Answer: a
Clarification: 1 mole of HCl is equivalent to 1 mole of CH4.
4. For producing 1 mole of HCl, how many moles of Cl2 are required? (Consider CH4 in excess)
a) 1
b) 4
c) 5
d) 6.5
Answer: a
Clarification: 1 mole of Cl2 is equivalent to 1 mole of HCl.
5. If Cl2 is present in excess and the amount of CH4 is doubled, number of moles of CH3Cl will be ____________
a) Doubled
b) Half
c) Four times
d) None of the mentioned
Answer: a
Clarification: 1 mole of CH4 is equivalent to 1 mole of CH3Cl.
6. If Cl2 is present in excess and the amount of CH4 is doubled, number of moles of HCl will be ____________
a) Doubled
b) Half
c) Four times
d) None of the mentioned
Answer: a
Clarification: 1 mole of Cl2 is equivalent to 1 mole of CH4.
7. How many moles of CH3Cl can be produced with 71 gms of Cl2? (Consider CH4 in excess)
a) 1
b) 2
c) 3
d) None of the mentioned
Answer: b
Clarification: 1 mole of CH3Cl is equivalent to 35.5 gms of Cl2.
8. How many moles of HCl can be produced with 71 gms of Cl2? (Consider CH4 in excess)
a) 1
b) 2
c) 3
d) None of the mentioned
Answer: b
Clarification: 1 mole of HCl is equivalent to 35.5 gms of Cl2.
9. How many gms of CH3Cl can be produced with 16 gms of CH4? (Consider Cl2 in excess)
a) 50.5
b) 58.5
c) 60.5
d) None of the mentioned
Answer: a
Clarification: 50.5 gms of CH3Cl is equivalent to 16 gms of CH4.
10. How many gms of HCl can be produced with 16 gms of CH4? (Consider Cl2 in excess)
a) 18.5
b) 36.5
c) 54.5
d) None of the mentioned
Answer: b
Clarification: 36.5 gms of HCl is equivalent to 14 gms of CH4.
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