The isotopes of hydrogen and their mass ratio are -

1. Protium, Deuterium, Tritium ; 3:2:3

2. Protium, Deuterium, Tritium ; 1:2:3

3. Protium, Deuterium, Tritium ; 2:2:3

4. Protium, Deuterium, Tritium ; 3:2:1

Subtopic:  Hydrogen- Types & Isotopes |
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Hydrogen is placed separately in the periodic table because : 

1. It resembles alkali metals.

2. It shows the same reactions as halogens.

3. Both (1) and (2)

4. None of the above.

Subtopic:  Hydrogen- Types & Isotopes |
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The colour of hydrogen is –

1. Blue                           

2. Yellow

3. Orange                       

4. No colour

Subtopic:  Hydrogen- Types & Isotopes |
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Hydrogen exists in diatomic form rather than monoatomic form under normal conditions -

1. Due to high ionization enthalpy

2. Due to low ionization enthalpy

3. Due to high electron gain enthalpy

4. Due to low electron gain enthalpy

Subtopic:  Hydrogen- Types & Isotopes |
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The catalyst used to increase the production of H, by ‘coal gasification' process is -

1. Copper 

2. FeCr2O4 (iron chromate) 

3. Pd/C 

4. None of the above.

Subtopic:  Hydrogen- Types & Isotopes |
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The incorrect statement among the following regarding hydrogen is -

1. Hydrogen never acts as a cation in Ionic salts

2. Hydronium ion, H3O+, exists freely in a solution

3. Dihydrogen does not act as a reducing agent

4. Hydrogen has three isotopes of which Protium is the most common

Subtopic:  Hydrogen- Types & Isotopes |
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An isotope that is used as a tracer in a chemical reaction is-

1. H11

2. H12

3. H13

4. Ortho hydrogen

Subtopic:  Hydrogen- Types & Isotopes |
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Para hydrogen is-

1. Less stable than ortho hydrogen

2. More stable than ortho hydrogen

3. As stable as ortho hydrogen

4. None of the above

Subtopic:  Hydrogen- Types & Isotopes |
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The role of an electrolyte in the  preparation of H2 by electrolytic method is-

1. It lowers the availability of ions available in the process for the conduction of electricity.

2. It makes the ions available in the process for conduction of electricity.

3. It cools down the temperature.

4. None of the above

Subtopic:  Preparation & Properties |
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The most abundant isotope of hydrogen is-

1. Tritium

2. Deuterium

3. Protium

4. Para-hydrogen

Subtopic:  Preparation & Properties |
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