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WorksheetsPOP QUIZ
Total questions: 30
Worksheet time: 17mins
Which of the following has the lowest boiling point?
A. C5H12
B. (CH3)2CHC2H5
C. (CH3)4C
D. cyclopentane
Which of the following is a saturated hydrocarbon?
A. C2H4
B. C5H8
C. C4H10
D. C6H12
Pick the CORRECT statement for the chlorination of alkane.
A. The chain initiation step involves the attack of chlorine radicals on alkane
B. Sunlight supplies energy for the breaking of C-H bonds in methane
C. Chlorine radicals are produced by light catalysed fission
D. Chlorine radicals are generated again in the termination step
By using Saytzeff’s rule, the most stable alkene is
A. (C2H5)2C=CH2
B. CH2=CHC4H9
C. (CH3)2C=C(CH3)2
D. C2H5CH=CHC2H5
When ethene gas was passed through a hot potassium manganite (VII) solution, the product formed was
A. HCOCH3
B. CH3CH2OH
C. (CH2OH)2
D. CO2 and H2O
Alkene + W --> diol. W could be
A. Cold potassium manganite (VII) solution
B. Hot potassium manganite (VII) solution
C. Cold basic potassium manganite (VII) solution
D. Hot acidified potassium manganite (VII) solution
Both ethane and ethene can react with bromine. Choose the FALSE statement.
A. Ethane reacts by free radical substitution.
B. Ethene reacts by addition
C. Hydrogen bromide gas is released with ethane
D. Ethene can only react in the presence of light
Name the structure shown in the image:
Pentene
Pent-1-ene
Pent-2-ene
Pent-4-ene
When phenol is treated with excess of bromine water, it gives which of the following product?
m-bromophenol
o-and p-bromophenol
2,4-dibromophenol
2,4,6-tribromophenol
Phenols are more acidic than alcohols because
Phenoxide ion is stablised by resonance
Phenols are more soluble in polar solvents
Phenoxide ion does not exhibit resonance
Alcohols do not lose H atoms at all
Arrange the increasing of acidity ROH, Phenols
and H₂O.
ROH < H₂O < Phenols
ROH > H₂O > Phenols
H₂O < Phenols < ROH
H₂O > Phenols > ROH
Nitronium ion, NO2+, attacks the electrons of the aromatic ring of benzene. Name the type of reaction involved.
A. Free radical substitution
B. Electrophilic aromatic substitution
C. Nucleophilic aromatic substitution
D. Electrophilic aromatic addition
Which of the following reagent does not react with benzene?
A. Concentrated H2SO4
B. HNO3/ H2SO4
C. Iodoehane in the presence of iron
D. Sodium hydroxide solution
Nitrobenzene can be prepared by reacting benzene with a mixture of concentrated sulphuric acid and concentrated nitric acid.
Which of the following statement best describes the role of concentrated sulphuric acid
A. To get rid of water molecules
B. To form an unstable complex with benzene
C. To protonate nitric acid
D. To act as solvent
The species that attacks the benzene molecule in the nitration of benzene using a mixture of concentrated sulphuric acid and concentrated nitric acid is
A. ⋅NO2
B. NO2+
C. HNO3
D. NO3 -
The only compound that will yield benzoic acid when reacted with acidified potassium dichromate (VI) solution is
A. CH2=CH2
B. C6H5C(CH3)3
C. C6H5CH(CH2CH3)2
D. Cyclohexane
Which of the following is a tertiary amines?
A. RNH2
B. RN(CH3)2
C. RNHCH3
D. RN+(CH3)
Name the product for the following reaction :
CH3CH2CH2CONH2 + Br2 + NaOH -->
A. CH3CH2CH2Br
B. CH3CH2CH2NH2
C. CH3CH2CH2COOH
D. CH3CH2CH2CH2NH2
The following statements are true about amines EXCEPT
A. Only primary and secondary amines can form hydrogen bonding with water molecules.
B. Amino compound can be prepared by reduction of nitrile compounds.
C. The boiling point of tertiary amine is the lowest because it cannot form hydrogen bonding between molecules.
D. Amino compound undergoes nucleophilic substitution with haloalkes.
Large molecules made up of small monomers are called
polymers
peptides
peptones
monomers
Which of the following polymer is the condensation polymerisation?
Teflon
Dacron
Polyvinyl chloride
Polystyrene
Polymer T has a structural formula as shown below. Choose the correct monomer
Small molecules that make up larger molecules
polymer
monomer
plastic
synthetic
A primary alkyl halide would prefer to undergo _____________.
SN1 reaction
SN2 reaction
α–Elimination
Racemisation
A is a secondary haloalkane with formula C5H11Br and optically active. Identify A.
CH3CH2CH2CH2CH2Br
CH3CH(Br)CH2CH2CH3
(CH3)2C(Br)CH2CH3
(CH3)2C(Br)C(CH3)2CH2CH3
reactivity of haloalkanes towards SN2 mechanism
3° > 2° > 1°
3° < 2° < 1°
Which of the following is formed when 1-chloropropane reacts with ethanolic KOH
1-propanol
2-propanol
propene
propane
What would you make if you reacted CH3CH2MgBr (Grignard reagent) with methanal?
1-propanol
1-butanol
2-propanol
2-butanol
cyclopentanol reacts with SOCl2 produced
2-chlorocyclopentane
chlorocyclopentanoic acid
chlorocyclopentene
chlorocyclopentane
How would you classify 2-bromopropane as a haloalkane?
Primary
Secondary
Tertairy
Methyl
