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WorksheetsOCT 2
Total questions: 15
Worksheet time: 10mins
1, 2, 3
1, 2, 4
1, 3, 4
2, 3, 4
alcohol
alkenes
alkanes
carboxylic acid
A
B
C
D
A
B
C
D
Organic compounds may have names ending in -ane, -ene, -ol, or -oic acid. How many of these endings indicate the compounds contain double bonds in their molecules?
1
2
3
4
Which statement of carboxylic acids is not correct?
Aqueous ethanoic acid has a pH below pH 7
They contain the functional group -COOH
They produce carbon dioxide when reacted with a metal carbonate
Methyl orange turns yellow in aqueous ethanoic acid
Which diagram shows pentanoic acid?
A
B
C
D
A
B
C
D
which method is used to obtain petrol from petroleum?
fractional distillation
chromatography
maceration
reflux
which industrial process is shown in the diagram?
fractional distillation
separation
distillation
polymerisation
The general formula of carboxylic acid is.... while alcohol is....
CnH2n+2OH , CnH2n+1OH
CnH2n+1OH , CnH2n+1COOH
CnH2n+1COOH , CnH2n+1OH
CnH2n+2OH , CnH2n+2OH
Ester can be made by adding alcohol to carboxylic acid using catalyst. What is the best catalyst used?
Concentrated Sulfuric Acid
Diluted Sulfuric Acid
what is the name of ester that produced from pentanoic acid and ethanol?
ethyl pentanoate
pentyl ethanoate
ethyl pentanoate acid
pentyl ethanoate acid
carboxylic acid can be obtained by oxidation of .....
alkane
alkene
alcohol
acid
