Edexcel A2 Chemistry Revision Flashcards - Unit 4 - Carboxylic Acids

Revision Flashcards for Unit 4 of the Edexcel A2 Chemistry syllabus.

This set covers reactions of Carboxylic Acids, and contains 20 Flashcards.

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Sources: Class notes & A2 Chemistry 2nd Edition by George Facer.

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What is the general formula for a Carboxylic Acid?
RCOOH
1 of 20
What is the standard test for Carboxylic Acids?
Add Sodium Hydrogencarbonate (or Na2CO3)
2 of 20
What is the positive result for a Carboxylic Acid Test?
Bubbles/Gas given off, if gas is collected and bubbled through limewater, limewater will turn cloudy (CO2 present)
3 of 20
Prep. of Carboxylic Acids - Oxidation of a Primary Alcohol - Reagents & Condition
Potassium Dichromate (VI) + dil. Sulfuric Acid, Heat Under Reflux
4 of 20
Prep. of Carboxylic Acids - Oxidation of a Primary Alcohol - Result
Carboxylic Acid + Water
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Prep. of Carboxylic Acids - Oxidation of an Aldehyde - Reagents & Condition
Potassium Dichromate (VI) + dil. Sulfuric Acid, Heat Under Reflux
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Prep. of Carboxylic Acids - Oxidation of an Aldehyde - Result
Carboxylic Acid
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Prep. of Carboxylic Acids - Hydrolysis of Nitriles - Reagents & Condition
Dil. Sulfuric/Hydrochloric Acid, Heat Under Reflux
8 of 20
Prep. of Carboxylic Acids - Hydrolysis of Nitriles - Result
Carboxylic Acid + Ammonium Salt (NH4+)
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Reduction of Carboxylic Acids - Reagents & Conditions
Lithium Aluminium Hydride in Dry Ether
10 of 20
Reduction of Carboxylic Acids - Result
Primary Alcohol + Water
11 of 20
What type of reaction is Esterification?
Condensation Reaction
12 of 20
Esterification of Carboxylic Acids - General Equation
Carboxylic Acid + Alcohol <---> Ester + Water
13 of 20
Esterification of Carboxylic Acids - Reagents & Conditions
Conc. Sulfuric Acid Catalyst, Heat
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Esterification of Carboxylic Acids - Example using Ethanoic Acid + Ethanol
Ethanoic Acid + Ethanol <---> Ethyl Ethanoate + Water
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Acid Chloride formation from a Carboxylic Acid - Reagents & Conditions
Phosphorus Pentachloride (PCl5), Room Temperature & Pressure
16 of 20
Formation of a Halogenoacid from a Carboxylic Acid - Reagents & Conditions
Chlorine (bubbled), in the presence of UV light
17 of 20
Formation of a Halogenoacid from a Carboxylic Acid - Example using Ethanoic Acid
Ethanoic Acid + Chlorine ---> CH2ClCOOH + HCl
18 of 20
Are Carboxylic Acids soluble in water?
Yes, due to their ability to Hydrogen Bond
19 of 20
Do Carboxylic Acids have relatively high or low melting & boiling points?
Relatively high, due to their relatively strong intermolecular forces
20 of 20

Other cards in this set

Card 2

Front

What is the standard test for Carboxylic Acids?

Back

Add Sodium Hydrogencarbonate (or Na2CO3)

Card 3

Front

What is the positive result for a Carboxylic Acid Test?

Back

Preview of the front of card 3

Card 4

Front

Prep. of Carboxylic Acids - Oxidation of a Primary Alcohol - Reagents & Condition

Back

Preview of the front of card 4

Card 5

Front

Prep. of Carboxylic Acids - Oxidation of a Primary Alcohol - Result

Back

Preview of the front of card 5
View more cards

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