Lesson 4.7.2.4
4.7.2.4 Carboxylic acids Quiz: AQA Chemistry, Unit 7
20 questions
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Lesson 4.7.2.4, Carboxylic acids: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 7: Organic chemistry, written with Revision Ninja.
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The 20 questions
-
Which functional group defines a carboxylic acid?
- -NH2
- -COOH
- -OH
- C=C
-
What is the functional group found in all carboxylic acids?
- -OH
- -COOH
- -COOR
- -CHO
-
Which gas is given off when a carboxylic acid reacts with a carbonate?
- Carbon dioxide
- Hydrogen
- Oxygen
- Chlorine
-
What is the formula of ethanoic acid shown in the spec?
- CH2=CH2
- CH3COOH
- C2H6
- CH3CH2OH
-
Which of these is one of the first four carboxylic acids?
- Propanoic acid
- Propene
- Propane
- Propanol
-
Which ester is named in the spec?
- Propyl propanone
- Ethyl ethanoate
- Methyl methanol
- Ethanol ethene
-
What class of compound forms when carboxylic acids react with alcohols?
- Alkenes
- Metals
- Esters
- Polymers
-
What type of solution is formed when a carboxylic acid dissolves in water?
- Acidic solution
- Alkaline solution
- Neutral solution
- Strongly basic solution
-
Which of these is a carboxylic acid?
- Butene
- Butanol
- Butanoic acid
- Butane
-
What is observed when ethanoic acid reacts with sodium carbonate?
- Fizzing
- Precipitation
- Colour change
- Condensation
-
Which formula is methanoic acid?
- CH4
- HCOOH
- CH3OH
- CH3COOH
-
Ethanoic acid reacts with ethanol. Which compound forms?
- Polyethene
- Ethyl ethanoic acid
- Ethanal
- Ethyl ethanoate
-
Which homologous series does ethanoic acid belong to?
- Esters
- Alkenes
- Alcohols
- Carboxylic acids
-
Which molecule is CH3CH2COOH?
- Propanoic acid
- Propanol
- Ethanoic acid
- Butanoic acid
-
A molecule contains a -COOH group. Which class of compound is it?
- Carboxylic acid
- Alkene
- Alcohol
- Alkane
-
What is the name of CH3CH2CH2COOH?
- Pentanoic acid
- Butanoic acid
- Butanol
- Propanoic acid
-
How many carbon atoms are there in one molecule of ethanoic acid?
- Three
- Four
- One
- Two
-
What is the molecular formula of methanoic acid?
- C2H5OH
- HCHO
- HCOOH
- CH3COOH
-
By what chemical unit do adjacent members of a homologous series differ?
- CO2
- CH2
- CH3
- H2O
-
Which two types of organic compounds react together to form an ester?
- Alkene and water
- Alcohol and amine
- Carboxylic acid and alcohol
- Alkane and halogen
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