1. (1) =C-H (2) C-H (Alkene)
2. (1) triple bond C-H (2) C-H (3) Carbon triple
bond Car- bon (Alkyne)
3. (1) O-H (2) C-H (3) C-O (alcohol)
4. (1) C-H (2) C=O (ketone)
5. (1) C-H (2) C-H aldehydes (3) C=O (aldehyde)
6. (1) O-H (2) C=O (carboxylic acid)
7. (1) C-H (2) C=O (3) C-O (ester)
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2