In the preparation of hydrogenated oil the chemical reaction involving hydrogen is called:

1. hydrogenation

2. reduction

3. dehydration

4. oxidation

Subtopic:  Preparation & Properties |
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

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The most abundant isotope of hydrogen is:

1. tritium

2. deuterium

3. protium

4. para-hydrogen

Subtopic:  Preparation & Properties |
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

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Hydrogen is evolved by the action of cold dilute HNO3 on:

1. Fe

2. Mg or Mn

3. Cu

. Al

Subtopic:  Hydrogen- Types & Isotopes | Preparation & Properties |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A molten ionic hydride on electrolysis gives:

1. H+ ion moving towards the cathode

2. H+ ion moving towards the anode

3. H2 is liberated at anode

4. H2 is liberated at cathode

Subtopic:  Type of Hydride |
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

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In solid hydrogen, the intermolecular bonding is:

1. ionic

2. van der Waals'

3. metallic

4. covalent

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

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The lightest gas is :

1. nitrogen

2. helium

3. oxygen

4. hydrogen

Subtopic:  Hydrogen- Types & Isotopes |
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

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Benzene is oxidized by H2O2 in presence of FeSO4 to:

1. phenol

2. cyclohexane

3. benzaldehyde

4. benzoic acid

Subtopic:  H2O2 (Hydrogen Peroxide) |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The oxidizing property of H2O2 is best explained by assuming that two oxygen atoms in its molecule are:

1. bonded differently

2. bonded similarly

3. bonded covalently

4. bonded by hydrogen bonds

Subtopic:  H2O2 (Hydrogen Peroxide) |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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10 volumes of H2O2 has a strength of approximately:

1. 3%

2. 30%

3. 10%

4. 5%

Subtopic:  H2O2 (Hydrogen Peroxide) |
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

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H2O2 turns an acidified solution of ........ to orange red.

1. BaO2

2. PbO2

3. Na2O2

4. TiO2

Subtopic:  H2O2 (Hydrogen Peroxide) |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: