In the reaction, 4NH3(g)+ 5O2(g) $\to$4NO(g) +6H2O(l)

When 1 mole of ammonia and 1 mole of O2 are made to react 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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

An element, X has the following isotopic composition:

200X : 90%, 199X : 8.0%, 202X : 2.0%

The weighted average atomic mass of the naturally occurring element X is closest to

1. 201 u

2. 202 u

3. 199 u

4. 200 u

Subtopic:  Moles, Atoms & Electrons |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

0.24g of a volatile gas, upon vaporisation, gives 45 mL vapour at NTP. What will be the vapour density of the substance?

(Density of H2 = 0.089)

1. 95.93

2. 59.93

3. 95.39

4. 5.993

Subtopic:  Moles, Atoms & Electrons |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

The hydrated salt Na2SO4.nH2O, undergoes 55% loss in  mass on heating and becomes anhydrous. The value of n will be:

1. 5

2. 3

3. 7

4. 10

Subtopic:  Empirical & Molecular Formula |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

12 g of Mg (atomic mass=24) will react completely with an acid to give:

1. one mole of H

2. half mole of H2

3. one mole of O2

4. none of these

Subtopic:  Equation Based Problem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

Find the molality of 15% (w/vol.) solution of H2SO4 of density 1.1g/cm3 :

1. 1.2

2. 1.4

3. 1.8

4. 1.6

Subtopic:  Concentration Based Problem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

Which mode of expressing concentration is independent of temperature?

1. Molality

2. Percent by mass

3. Mole fraction

4. All of these

Subtopic:  Concentration Based Problem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

The product of atomic mass and specific heat of metal is approximately 6.4. This was given by:

1. Dalton's law

2. Avogadro's law

3. Newton's law

4. Dulong Petit's law

Subtopic:  Introduction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

A metal M forms a compound M2HPO4. The formula of the metal sulfate is:

1. M2SO4

2. MSO4

3. M(SO4${\right)}_{2}$

4. M2(SO4)3

Subtopic:  Equivalent Concept |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A partially dried clay mineral contains 8% water. The original sample contained 12% water and 45% silica. The% of silica  in the partially dried sample is nearly:

1. 50%

2. 49%

3. 55%

4. 47%

Subtopic:  Concentration Based Problem | Equation Based Problem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: