Question: What is the molecular formula of ethylene?
Options:
C2H2
C2H4
C3H6
C4H8
Correct Answer: C2H4
Solution:
Ethylene is an alkene with the molecular formula C2H4.
What is the molecular formula of ethylene?
Practice Questions
Q1
What is the molecular formula of ethylene?
C2H2
C2H4
C3H6
C4H8
Questions & Step-by-Step Solutions
What is the molecular formula of ethylene?
Step 1: Understand that ethylene is a type of hydrocarbon, which means it is made up of hydrogen (H) and carbon (C) atoms.
Step 2: Identify that ethylene is specifically an alkene, which is a category of hydrocarbons that contain at least one double bond between carbon atoms.
Step 3: Determine the number of carbon atoms in ethylene. Ethylene has 2 carbon atoms.
Step 4: Count the number of hydrogen atoms. For each carbon atom in an alkene, there are typically 2 hydrogen atoms plus 2 additional hydrogen atoms for the double bond. Therefore, for 2 carbon atoms, the total is 4 hydrogen atoms.
Step 5: Combine the number of carbon and hydrogen atoms to write the molecular formula. The formula is C2H4, meaning there are 2 carbon atoms and 4 hydrogen atoms.
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