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WorksheetsCarbon compound
Total questions: 20
Worksheet time: 10mins
What is the catalyst for hydration of propene ?
vanadium (V) oxide
phosphoric acid
nickel or platinum
iron powder
Which of the following pairs of general formulae and homologous series is correct?
III
III, IV
II, III and IV
I, II, III and IV
This compound is produced by the reaction between
ethanoic acid and propanol
ethanoic acid and ethanol
propanoic acid and ethanol
propanoic acid and propanol
This is the set-up of apparatus for dehydration of ethanol.
What is gas X?
propene
ethene
ethanoic acid
ethanol
Which of the following is not a property of ethanoic acid?
smell of vinegar
insoluble in water
colourless liquid
low melting
This show the set-up of apparatus for preparation of compound X. Name the reaction for preparation of compound X.
dehydration
oxidation
esterification
condensation
Pentene can be transformed to pentane by
substitution
hydrogenation
hydration
oxidation
Which of the following is true about organic compounds?
Is usually metallic
Exists in all living things
Combines with carbon to release heat
Does not originate from living things
Which of the following is the functional group of alcohols?
CH
CO
OH
H
Ethane and propane are hydrocarbon compounds from the same homologous series. Which statement is true for both ethane and propane?
Undergo addition reaction with chlorine.
Undergo substitution reaction with bromine.
Produce the same amount of heat on combustion.
Have the same physical properties.
The chemical equation below shows the combustion of butane in excess oxygen. What are the values of a, b, c, d?
aC4H10 + bO2 --> cCO2 + dH2O
a=1 ; b=6; c=4; d=4
a=1; b=7; c=4; d=5
a=2; b=13; c=8; d=8
a=2; b=13; c=8; d=10
The diagram shows the conversion of propene to propan-1,2-diol. Which of the following is Reagent X?
Water
Hydrogen peroxide
Acidified potassium manganate(VII) solution
Manganese(IV) oxide
The diagram shows the chemical change that occurs to propene. Which of the followings is compound P?
These are alternative source of hydrocarbon except
Biomass
biodiesel
bioessence
bioethanol
this is................
pentane
pentene
hexane
hexene
These are physical properties of alkyne except
insoluble in water
has low melting and boiling point
can conduct electricity
less dense than water
why alkene produce more sooty flame?
contain high percentage of hydrogen
contain high percentage of carbon
contain high percentage of oxygen
classify hydrocarbon (can answers more than one)
ethane
ethanoic acid
butene
ethanol
methane
A carbon chain by itself is not able to dissolve in water. Which functional group can be added to make the carbon chain polar and hydrophilic?
NH2
Phosphate
Carboxyl
Hydroxyl
