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. Topic 10: Organic Chemistry

17. continues

5. The formula of which compound represents an ether?

1) 2) 3) 4)

6. Which structure is of an ether?

1) 2) 3) 4

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18. Esters : Recalling concept facts and definitions
Recognizing names and formulas of esters
1. Which functional group represents esters?

1) 2) 3) 4)

2. Which IUPAC name is of a compound that is an ester? 3) Ethanal 4) Ethanoic

2) Pentanoate
1) Pentanone

3. Which formula correctly represents an ester?
1) CH3COOH 2) CH3CHO 3) CH3COOCH2CH3 4) CH3COCH3

4. The formula of which compound is an ester?

1) 2) 3) 4)

5. The structure of which compound is from class of compound called ester?

1) 2) 3) 4)

19. Amines and amides: Recalling definitions and facts

1. Which functional group correctly represents an amine?

O
II I
1) –NH3 2) –OH 3) –C –NH 4) – N –

2. Which general formula correctly represents amides?

I II I
R’ O R’ 4) R – O – R’
1) R-COOH
3) R – C – NH

2) R – N – R”

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