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Topic 10: Organic Chemistry

15. Organic Acids: Recalling concept facts and definitions
Recognizing names and formulas of organic acids

1. The general formula of organic acids is

1) 2) 3) 4)

2. Which will be the correct name ending for an organic acid? 4) –oate
1) –ol

2) –ene

3) –ioc

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3. Which is true of organic acids?
1) They are non electrolyte 3) They are turn litmus blue
2) They are weak electrolytes
4) They turn phenolphthalein pink
4. An organic acid will have which of the following properties in solutions?
1) Produce OH ions in solutions 3) Produce OH ions in solutions
+
-
+
-
2) Produce C ions in solutions 4) Produce H3O ions in solutions
5. Which compound is an organic acid?
1) Methyl enthanoate 3) Hydrochloric acid
4) Sulfuric acid
2) Hexanoic acid

6. The formula of which organic compound is classified as an acid? 4)CH2(OH)2

2) CH3CH2OH
1) CH3COCH3
3) CH3COOH
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7. Which formula represents an organic acid?
1) HCOOH 2) CH3COCH2CH3 3) CH3CH2CHO 4) CH3NH2
8. The structure of which compound is of an organic acid?

1) 2) 3) 4)

9. Which is a structure of an organic acid?

1) 2) 3) 4)

10. The structure is classified as an organic acid because it contains

1) –OH groups 2) –COOH group 3) – C – C – bonds 4) C = O bond
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