Phenols

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10 Terms

1
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What are phenols

benzene rings with a OH group attached

2
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What is the test for phenols

  • add phenol to iron (III) chloride and shake

  • solution goes from yellow to purple

3
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Phenols are ________ acids and react with _______ _________

  • weak

  • strong alkalis

4
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Phenols dissolve a little bit in water to form what

a phenoxide ion and a H+ ion - solution is weakly acidic

<p>a phenoxide ion and a H+ ion - solution is weakly acidic </p>
5
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Phenols react with alkalis to form what

salt and water

<p>salt and water </p>
6
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Phenols do not react with _______ solutions

carbonate

7
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Phenols react with acid anhydrides to form what

Ester and Carboxylic acid

8
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Phenols do not react with ____ acids to form an ester

carboxylic

9
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Describe how the OH group can act as an acid wait water to give the oxonium ioin

  • OH group acts as an acid - donates proton (H+) to water

  • forms H3O+ (Oxonium ion)

10
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Recall the chemical test for carboxylic acid

  • react with sodium carbonate

  • produces carbon dioxide, water and a salt - fizzing from carbon dioxide