identify the functional group present in the following compounds:
(a)C2H6O
(b)C2H4O
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(a) Ethanol
(b) Ethanal
What is a functional group?
- A functional group is a unit in a chemical compound that gives it certain characteristics e.g. how it will react with other chemical compounds.
- Compounds with similar functional groups behave in the same way.
What is the functional group in (a) C2H6O?
- (a)C2H6O = Ethanol
- Functional group is alcohol
- It can also be written as C2H5OH or CH3CH2OH
- As we know that carbon has the tendency to make 4 bonds. First carbon has 3 hydrogens and one CH2 attached to it.
- The second carbon has CH3 on one side and 2 hydrogens and one OH group attached to it.
What is the functional group in (b)C2H4O?
- (b)C2H4O = Ethanal
- Functional group is aldehyde
- It can also be written as CH3CHO
- Here Second carbon has a double bond with Oxygen, one bond with CH3 and one with hydrogen.
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Answer: What is the functional group in (a) C2H6O?
(a)C2H6O = Ethanol
functional group is the alcohol
It can also be written as C2H5OH or CH3CH2OH
As we know that carbon has the tendency to make 4 bonds. First carbon has 3 hydrogens and one CH2 attached to it.
The second carbon has CH3 on one side and 2 hydrogens and one OH group attached to it.
What is the functional group in (b)C2H4O?
(b)C2H4O = Ethanal
A functional group is an aldehyde
It can also be written as CH3CHO
Here Second carbon has a double bond with Oxygen, one bone with CH3 and one with hydrogen.
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