Hydrocarbons — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
52 important questions from Hydrocarbons for Telangana Open School (TOSS) Class 12 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Hydrocarbons
Which hydrocarbon is used as LPG?
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Propane and Butane
LPG (Liquefied Petroleum Gas) mainly consists of propane and butane, which are alkanes.
What is the physical state of alkanes with 1 to 4 carbon atoms at room temperature?
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Gas
Alkanes with 1 to 4 carbon atoms (methane, ethane, propane, butane) are gases at room temperature.
Which of the following is a saturated hydrocarbon?
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Ethane
Ethane (C₂H₆) has only single bonds between carbon atoms, making it saturated.
What is the product of complete combustion of methane?
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CO₂ and H₂O
Complete combustion of hydrocarbons in excess oxygen produces carbon dioxide and water.
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