
ALKOHOL & KEISOMERAN
Authored by Azrol Hisyam Abdul Aziz
Chemistry
7th - 11th Grade
NGSS covered
Used 65+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formulas represent butane or its isomer?
(1) CH3(CH2)2CH3
(2) CH3CH(CH3)CH3
(3) (CH3)3CH
1 and 2 only
1 and 3 only
2 and 3 only
1 , 2 and 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which structural formula represents an isomer?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A structural isomer of pentane is?
2-methyl butane
2,2-dimethyl octane
1-methyl propane
1-methyl pentane
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