Inorganic Chemistry

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Q1. What is the main component of the gas known as 'syngas'? (2023)

Solution:

Syngas primarily consists of hydrogen and carbon monoxide, used in various chemical processes.

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Q2. Which isotope of hydrogen is also known as heavy hydrogen? (2020)

Solution:

Deuterium is known as heavy hydrogen because it has one neutron in addition to the single proton.

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Q3. What is the main method of hydrogen production in the laboratory? (2020)

Solution:

In the laboratory, hydrogen is commonly produced by the reaction of metals (like zinc) with acids.

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Q4. Which of the following is the most abundant element in the universe? (2020)

Solution:

Hydrogen is the most abundant element in the universe, making up about 75% of its elemental mass.

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Q5. What is the primary product of the reaction between hydrogen and chlorine? (2019)

Solution:

The primary product of the reaction between hydrogen and chlorine is hydrogen chloride (HCl).

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Q6. Which of the following compounds is a hydrogen halide? (2022)

Solution:

Hydrogen chloride (HCl) is a hydrogen halide, which is a binary compound of hydrogen and a halogen.

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Q7. What is the main product when hydrogen reacts with oxygen? (2019)

Solution:

When hydrogen reacts with oxygen, the main product formed is water (H2O).

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Q8. What is the main method of hydrogen production in the industry? (2022)

Solution:

The main method of hydrogen production in the industry is steam reforming of natural gas.

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Q9. Which of the following reactions is an example of hydrogenation? (2023)

Solution:

Hydrogenation refers to the addition of hydrogen (H2) to unsaturated hydrocarbons, such as the addition to ethene to form ethane.

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Q10. What is the bond angle in the water molecule (H2O)? (2023)

Solution:

The bond angle in a water molecule is approximately 104.5 degrees due to the bent shape caused by lone pairs on oxygen.