SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms?
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methane, ethane, propane, butane
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ethane, methane, propane, butane
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methane, ethane, butane, propane
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methane, propane, ethane, butane
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Explanation:
Detailed explanation-1: -Methane (CH4), ethane (C2H6), propane (C3H8) and butane (C4H10) are the first four alkanes. Methane gas, whose molecular formula is CH4, is the simplest alkane.
Detailed explanation-2: -For example the first 10 alkanes in order are, Methane, Ethane, Propane, Butane, Pentane, Hexane, Heptane, Octane, Nonane and Decane.
Detailed explanation-3: -Hydrocarbons can feature simple or relatively complex structures and can be generally classified into four subcategories, namely alkanes, alkenes, alkynes, and aromatic hydrocarbons.
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