If 10 volumes of H2 gas react with 5 volumes of O2 gas, the volumes of water vapor produced would be:

1. 9

2. 8

3. 10

4. 11

Subtopic:  Equation Based Problem |
88%
From NCERT
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To produce 20 moles of ammonia via Haber's process, how many moles of hydrogen molecules are required?

 1 40 mol 2 10 mol 3 20 mol 4 30 mol
Subtopic:  Limiting Reagent | Equation Based Problem |
80%
From NCERT
NEET - 2019
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Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. If 0.1 mole of XYweighs 10 g and 0.05 mole of X3Y2 weighs 9 g, the atomic weight of X and Y respectively, will be:

 1 40, 30 2 60, 40 3 20, 30 4 30, 20
Subtopic:  Equation Based Problem |
77%
From NCERT
NEET - 2016
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The volume of oxygen gas (O2) needed to completely burn 1 L of propane gas (C3H8)  (both O& propane measured at 0°C and 1 atm) will be:
1. 7 L
2. 6 L
3. 5 L
4. 10 L

Subtopic:  Equation Based Problem |
77%
From NCERT
AIPMT - 2008
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25.4 g of ${\mathrm{I}}_{2}$ and 14.2 g  of ${\mathrm{Cl}}_{2}$ are made to react completely to yield a mixture of ICI and ICI3. The mole of ICI and ICI3 formed, is respectively -

1. 0.5, 0.2

2. 0.1, 0.1

3. 0.1, 0.3

4. 0.3, 0.4

Subtopic:  Limiting Reagent | Equation Based Problem |
73%
From NCERT
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10 g of a silver coin, when dissolved completely in excess of conc. HNO3 gives 8.5 g of silver nitrate.
The percentage purity of the coin is:
(Molar mass of silver is 108g)

 1 25% 2 54% 3 67% 4 100%
Subtopic:  Equation Based Problem |
65%
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In the reaction, 4NH3(g)+ 5O2(g) $\to$4NO(g) +6H2O(l)

When 1 mole of ammonia and 1 mole of O2  reacts to completion, then:

 1 1.0 mole of H2O is produced. 2 1.0 mole of NO will be produced. 3 All the oxygen will be consumed. 4 All the ammonia will be consumed.

Subtopic:  Equation Based Problem |
69%
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Consider the given reaction, 2SO2 + O2 $\to$2SO

6.4 g SO2 and 3.2 g O2 to form SO3 . The mass of SO3 formed is:

1. 32 g
2. 16 g
3. 8 g
4. 4 g

Subtopic:  Equation Based Problem |
68%
From NCERT
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10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. The amount of water produced in this reaction will be:

1. 2 mol

2. 3 mol

3. 4 mol

4. 1 mol

Subtopic:  Equation Based Problem |
69%
From NCERT
NEET - 2009
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A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. ${\mathrm{H}}_{2}{\mathrm{SO}}_{4}$. The evolved gaseous mixture is passed through KOH pellets.

Weight (in g) of the remaining product at STP will be:

1. 1.4

2. 3.0

3. 2.8

4. 4.4

Subtopic:  Equation Based Problem |
59%
NEET - 2018
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