What is the formula for Methane?

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RRB NTPC Exam 20 Jan 2021 click here to view all questions

What is the formula for Methane?

ACH₄

BMH₄

CM₂H₄

DC₂H₄

Akhilesh ? Apr 7 '25 at 21:33

correct answer is: option a [CH₄]
Explanation: Methane (CH₄) is a chemical compound with one carbon atom and four hydrogen atoms. The chemical formula accurately reflects this composition.

• Option a: CH₄ correctly represents one carbon atom (C) bonded to four hydrogen atoms (H).
• Option b: MH₄ is incorrect because 'M' is not a standard chemical symbol for carbon.
• Option c: M₂H₄ is incorrect because 'M' is not a standard chemical symbol for carbon and contains two carbon atoms.
• Option d: C₂H₄ is the formula for ethene (ethylene), not methane. Ethene contains two carbon atoms and four hydrogen atoms.

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correct answer is: option a [CH₄] Explanation: Methane (CH₄) is a chemical compound with one carbon atom and four hydrogen atoms. The chemical formula accurately reflects this composition. Option a: CH₄ correctly represents one carbon atom (C) bonded to four hydrogen atoms (H). Option b: MH₄ is incorrect because 'M' is not a standard chemical symbol for carbon. Option c: M₂H₄ is incorrect because 'M' is not a standard chemical symbol for carbon and contains two carbon atoms. Option d: C₂H₄ is the formula for ethene (ethylene), not methane. Ethene contains two carbon atoms and four hydrogen atoms. Akhilesh ? answered Apr 7 '25 at 21:33

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