Hydrocarbons

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Q1. Which of the following is an example of an alkyne?

Solution:

Butyne is an alkyne, characterized by a triple bond between carbon atoms.

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Q2. Which of the following compounds is an unsaturated hydrocarbon? (2023)

Solution:

C2H4 (ethylene) is an unsaturated hydrocarbon as it contains a double bond.

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Q3. Which of the following is a saturated hydrocarbon?

Solution:

Cyclohexane is a saturated hydrocarbon, containing only single bonds.

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Q4. What is the product of the complete combustion of propane?

Solution:

The complete combustion of propane produces carbon dioxide (CO2) and water (H2O).

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Q5. Which of the following is a characteristic of unsaturated hydrocarbons?

Solution:

Unsaturated hydrocarbons contain double or triple bonds, making them more reactive than saturated hydrocarbons.

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Q6. What type of bond is present in alkenes?

Solution:

Alkenes contain at least one double bond between carbon atoms.

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Q7. Which of the following compounds is an example of an aromatic hydrocarbon? (2023)

Solution:

Benzene is an aromatic hydrocarbon characterized by its stable ring structure and delocalized electrons.

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Q8. What is the main product of the complete combustion of ethane (C2H6)? (2023)

Solution:

The complete combustion of ethane produces carbon dioxide and water as the main products.

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

Solution:

Alkanes are saturated hydrocarbons with the general formula CnH2n+2. C3H8 (propane) fits this formula.

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Q10. What is the main product of the complete combustion of methane? (2023)

Solution:

The complete combustion of methane (CH4) produces carbon dioxide (CO2) and water (H2O).