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WorksheetsCHEMY 7 (ALKOHOL ,CARBOXYLIC ACID, ESTER)
Total questions: 10
Worksheet time: 12mins
Diagram represents the structural formula of a carbon compound.
Which of the following alcohol reacts with propanoic acid to produce the above compound?
CH3OH
CH3CH2OH
CH3CH2CH2OH
CH3CH2CH2CH2OH
Unsaturated fats can be converted to saturated fats through
hydrogenation
esterification
neutralization
fermentation
Which is the structural formula and name for an isomer of but-1-ene?
A
B
C
D
Diagram shows the chemical changes that occurs to compound G. Which of the following is compound G?
n- butane
But - 1 – ene
But - 2 – ene
Butan - 2 - ol
Diagram shows the conversion of molecule A through two different processes. Which of the following is molecule A and process II
Molecule A : Ethanol Process II : Esterification
Molecule A : Ethanol Process II : Oxidation
Molecule A : Ethene Process II : Dehydration
Molecule A : Ethanoic acid Process II : Esterification
Ethanol reacts with ethanoic acid to form ethyl ethanoate.
C2H5OH + CH3COOH → CH3COOC2H5 + H2O
What is the formula of the ester formed when methanol reacts with butanoic acid, (C3H7COOH)?
C2H5COOC2H5
C3H7COOC2H5
C3H7COOCH3
CH3COOC3H7
Diagram shows oxidation process of ethanol.
What can be observed after being heated for 5 minutes?
No colour change
All of the ethanol vapourises and the flask becomes dry
The colour of mixture changes from orange to green
The mixture in the flask separated into two layers. The upper layer is yellow while the lower layer is green
Which of the following homologous series and its functional group are correctly paired?
I and II
II and IV
II, III and IV
I, III and IV
When liquid R is refluxed with propanoic acid and a few drops of concentrated sulphuric acid, a sweet smelling liquid is formed. Liquid R may be
propanol
ethanoic acid
hexane
ethyl propanoate
Diagram shows the structure for a part of a polymer
Which of the following compound is the monomer for the polymer?
C6H12
C6H14
C2H4
C2H6
