Marsh gas is _________?
Correct answer: A. Methane
- A. Methane
- B. Ethane
- C. Hydrogen
- D. Nitrogen
Explanation
Marsh gas is methane, CH4, because methane was historically collected from marshes during the decomposition of plant material under anaerobic conditions. Students may choose ethane because it is also an alkane gas, but ethane is not the principal gas associated with marshes.
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About Alkanes
Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.
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1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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