Chemical Equations and Stoichiometry NEET Questions

Physical Chemistry - Some Basic Concepts of Chemistry

Chemical Equations and Stoichiometry MCQ Questions


13.
From the balanced equation N₂(g) + 3H₂(g) → 2NH₃(g), the volume ratio of gases is: (at same T and P)
A.
3 : 1 : 2
B.
1 : 1 : 1
C.
1 : 3 : 2
D.
2 : 3 : 1
😑 View Answer Rough Work Error
ANSWER :
C. 1 : 3 : 2
14.
In the reaction 2H₂ + O₂ → 2H₂O, the mole ratio of H₂ to O₂ is:
A.
1 : 1
B.
2 : 3
C.
1 : 2
D.
2 : 1
😑 View Answer Rough Work Error
ANSWER :
D. 2 : 1
15.
How many grams of CO₂ are produced when 1 mole of carbon is burnt in air? (C + O₂ → CO₂; CO₂ = 44)
A.
12 g
B.
88 g
C.
22 g
D.
44 g
😑 View Answer Rough Work Error
ANSWER :
D. 44 g
16.
How many moles of CO₂ are produced when 0.5 mol of CH₄ is completely burnt? (CH₄ + 2O₂ → CO₂ + 2H₂O)
A.
0.5
B.
2.0
C.
1.0
D.
0.25
😑 View Answer Rough Work Error
ANSWER :
A. 0.5
17.
Mass of water produced from complete combustion of 16 g of methane: (CH₄ + 2O₂ → CO₂ + 2H₂O)
A.
9 g
B.
36 g
C.
18 g
D.
27 g
😑 View Answer Rough Work Error
ANSWER :
B. 36 g
18.
In the reaction 2KClO₃ → 2KCl + 3O₂, how many moles of O₂ are produced from 4 mol KClO₃?
A.
3 mol
B.
8 mol
C.
2 mol
D.
6 mol
😑 View Answer Rough Work Error
ANSWER :
D. 6 mol