A three-carbon alkene contains two double bonds. Predict its molecular formula?
A three-carbon alkene with two double bonds is being analyzed. What is its molecular formula?
A. C3H4
B. C3H5
C. C3H6
2 Answers
Feb 08, 2025
Carbons want to have 4 bonds attached to them. H’s want to have one bond attached to them. So the structure of the alkene you are describing would be something like this:
H2C=C=CH2. So the center carbon would be connected to the two other carbons by a double bond. Then the end carbons would each have 2 H’s attached to them by single bonds.
So your answer is:
A. C3H4
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