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WorksheetsYear 13 Organic Revision 1
Total questions: 30
Worksheet time: 15mins
Which one of the following molecules could exist as E-Z isomers?
CH₃CH=CH₂
CH₃CH=CHCH₃
CH₃CH₂CH=CH₂
(CH₃)₂C=CHCH₃
How many moles of oxygen are required for the complete combustion of one mole of butane?
5.5
6
6.5
7
Which one of the following is a propagation step in the mechanism of the reaction between chlorine and methane?
CH₃˙ + HCl → CH₄ + Cl˙
CH₄ + Cl˙ → CH₃˙ + HCl
CH₄ → CH₃˙ + H˙
CH₃˙ + Cl˙ → CH₃Cl
Which of the following is the name for the mechanism for the reaction between ethane and chlorine?
electrophilic addition
free-radical addition
free-radical substitution
nucleophilic substitution
Which one of the following is not the correct formula for a radical?
H•
Cl•
CCl3•
CH4•
Which one of the following is removed from bromoethane when it is reacted with ethanolic sodium hydroxide?
Br2
H2O
HBr
NaBr
Which one of the following cannot act as a nucleophile?
CH3CH2NH2
CH4
CN−
H2O
Which one of the following statements is not correct about the alcohol shown below? CH3CH2CHOHCH3
It has the molecular formula C4H10O
It is butan-2-ol
It can be oxidised to an aldehyde
It is a secondary alcohol
Which statement is true about the reaction between hydrogen bromide and ethene?
The product is unsaturated.
The transition state is neutral.
The product can exist as two different structural isomers.
The hydrogen bromide splits into two ions.
Which one of the following is a tertiary alcohol?
2-methylbutan-1-ol
2-methylbutan-2-ol
3-methylbutan-1-ol
3-methylbutan-2-ol
Which one of the following is not a source of ethanol?
catalytic hydration of ethene
fermentation of sugar beet
hydrolysis of bromoethane with aqueous alkali
reaction of bromoethane with ethanolic alkali
Which one of the following molecules exhibits optical isomerism?
CH₃CHBrCH₃
CH₃CH₂COCCl₃
CH₃CH₂CHClCH₃
CH₃CH₂CH(CH₃)CH₃
Which one of the following is the total number of isomers, both structural and stereoisomers, which are possible for the formula C₄H₁₀O?
3 or less
4
5
6 or more
Which one of the following describes the mechanism for the reaction of potassium cyanide with propanone?
electrophilic addition
electrophilic substitution
nucleophilic addition
nucleophilic substitution
Which one of the following organic compounds does not exist?
an aldehyde with the formula C₂H₄O
an alkane with formula C₄H₈
an ester with formula C₃H₆O₂
a ketone with formula C₂H₄O
Which one of the following statements about the formation of an ester from ethanoyl chloride and propan-1-ol is correct?
Concentrated sulfuric acid is required.
Heat is required.
The ester produced is called ethyl propanoate.
The reaction goes to completion.
Which one of the following is the correct systemic name for the compound CH₂BrCOCH₂CH₃?
1-bromobutan-2-one
1-bromobutan-3-one
4-bromobutan-2-one
4-bromobutan-3-one
Which one of the following compounds is optically active and incapable of reducing Tollens' reagent?
CH₃CH(CH₃)CH₂CHO
CH₃CH(C₂H₅)COCH₃
CH₃CHClCH₂CHO
CH₃CH(CH₃)COCH₃
Which one of the following compounds is formed when methanol is added to CH₂CHClCOCl?
CH₂OCH₃COCl
CH₂CH₂OCH₃COCH₃
CH₂CHClCO₂CH₃
CH₂ClCOCH₃
Which one of the following would not react to form a polymer?
HOOC(CH₂)₄COOH and H₂N(CH₂)₄NH₂
HO(CH₂)₂OH and HOOC(CH₂)₄COOH
HO(CH₂)₂OH and H₂N(CH₂)₄NH₂
C₂H₄
Which one of the following statements is not correct?
An alcohol acts as a nucleophile when it reacts with an acyl chloride
Water reacts with an acyl chloride to produce a carboxylic acid.
A carboxylic acid is produced when ammonia reacts with an acid anhydride.
An amine reacts with an acid anhydride to produce an ester.
Which of the following pairs of reagents produces a racemic mixture when reacted together?
Methanal and HCN
Ethanal and HCN
Ethanal and NaBH₄
Propanone and NaBH₄
Which of the following statements about dimethylbenzene (C₆H₄(CH₃)₂) is not correct?
Dimethylbenzene undergoes electrophilic substitution reactions.
All carbon-carbon bond lengths are equal in dimethylbenzene.
There are four structural isomers of dimethylbenzene that contain a benzene ring.
It can undergo an acylation reaction to produce an aromatic ketone.
Which of the following reagents is not required in steps 1-2?
Concentrated NH₃
Concentrated HNO₃
Concentrated H₂SO₄
Concentrated HCl
Step 3 can be carried out using bromoethane as the reagent. What type of reaction would this be?
Electrophilic substitution
Reduction
Nucleophilic substitution
Electrophilic addition
Which of the following statements about polyamides is correct?
Polyamides are formed by a hydrolysis reaction.
Polyamides are formed from a diamine and a diol.
PVC is an example of a polyamide.
Water is eliminated when a polyamide is formed.
Terylene can be formed from the monomers benzene-1, 4-dicarboxylic acid and ethane-1,2-diol. Which of the following is the correct repeating unit of Terylene?
A
B
C
D
Which of the following diagrams of the amino acid glycine shows it at its isoelectric point?
A
B
C
D
Which of the following statements about DNA is not correct?
The bases in DNA are attached to sugars in a sugar-phosphate backbone.
Strands of DNA are made up of nucleotides joined by covalent bonds.
The bases in DNA include adenine, cytosine and guanine.
The strands in a DNA double helix are joined to each other by a sugar-phosphate backbone.
Aqueous solutions of ammonia, ethylamine and phenylamine are prepared. Each solution has the same concentration. Which is the correct order for the pH values of these solutions?
ethylamine > phenylamine > ammonia
ethylamine > ammonia > phenylamine
ammonia > phenylamine > ethylamine
ammonia > ethylamine > phenylamine
