Structural formula for propene?

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Prepare for the IGCSE Organic Chemistry Exam. Study with flashcards and multiple choice questions, each question has hints and explanations to ensure you understand the core concepts. Get ready for your test with confidence!

Multiple Choice

Structural formula for propene?

Explanation:
Propene is an alkene with a carbon–carbon double bond. Its structural formula is CH2=CH-CH3: the first carbon has two hydrogens, the second carbon is bonded to one hydrogen and to the third carbon, and the third carbon has three hydrogens. The double bond is essential and makes it C3H6, unlike propane which is fully single-bonded and has C3H8. The option that shows CH2=CH-CH3 correctly represents this double bond; the others depict all single bonds or a structure corresponding to propane rather than propene.

Propene is an alkene with a carbon–carbon double bond. Its structural formula is CH2=CH-CH3: the first carbon has two hydrogens, the second carbon is bonded to one hydrogen and to the third carbon, and the third carbon has three hydrogens. The double bond is essential and makes it C3H6, unlike propane which is fully single-bonded and has C3H8. The option that shows CH2=CH-CH3 correctly represents this double bond; the others depict all single bonds or a structure corresponding to propane rather than propene.

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