Name these organic comounds from their formulas?

1)C2H5CHO

2) CH3COC2H5

3)C3H7OH

4)C3H6

5)CH3COOC2H5

I find this really confusing and always end up naming them wrong.. :(

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  • 8 years ago
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    1) You have a three carbon chain with a pi bond to an oxygen on a terminal carbon. This is an aldehyde. Propanal.

    2) You have a four carbon chain with a pi bond to an oxygen on the second carbon. This is a ketone. Butan-2-one.

    3) You have a three carbon chain with a hydroxyl group on a terminal carbon. This is an alcohol. Propanol.

    4) You have a three carbon chain that has pi bonding or a ring system because it is unsaturated. This could be either propene (CH2CHCH3) or cyclopropane (CH2CH2CH2).

    5) Hard to explain this one. You have a two carbon chain with a pi bonded and a sigma bonded oxygen on a carbon. Then off the sigma bonded oxygen is another two carbon chain. This is an ester. Ethyl ethanoate.

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