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WorksheetsQ#02-DK024-MCQ-MCO-KMK
Total questions: 40
Worksheet time: 1hrs 20mins
An amine is characterized by what functional group?
RCO2R’
RNH2
RCO2H
ROH
Which one of these hydrocarbons does not have isomers?
C8H10
C3H8
C4H8
C5H12
The following hydrocarbons does not have isomers, EXCEPT
C6H6
C3H6
C7H8
C4H10
The name of the alkane isomer of cis-3-hexene is:
n-hexane
cyclohexane
2,3-dimethylbutane
3-methylpentane
For which of the compounds below are cis-trans isomers possible?
Propene
2-Butene
3-Hexene
Ethene
Which of the following statements is FALSE regarding the reaction between Cl2 and C2H6?
It is a substitution reaction.
The first step in the mechanism is the cleavage of the Cl-Cl bond to give chlorine ions.
The reaction can be initiated with either sunlight or heat.
The reaction mechanism involves free radicals.
Which of the following will undergo an addition reaction with chlorine?
CH3CH2OH
CH3CH2CH=CHCH3
C6H6
CH3CH2CH2CH3
Which of the following compounds is a functional group isomer of C2H5OH, ethanol (ethyl alcohol)?
ethanal, CH3CHO
propanol, C3H7OH
dimethyl ether, (CH3)2O
diethyl ether, (C2H5)2O
How many aromatic isomers of dibromobenzene exist?
2
3
4
5
What is the expected product formed from the reaction between 2-butene and Cl2?
1-chlorobutane
2,2-dichlorobutane
2,3-dichlorobutane
2-chlorobutane
The organic starting materials for the preparation of an ester could be _______ .
an acid
an alcohol
a benzene
a water
Which of the following alcohols forms a ketone when oxidized?
cyclopentanol
2-propanol
2-methyl-2-butanol
2-methylcyclobutanol
Dehydration of an alcohol leads to the formation of an _____
aldehyde
ketone
alkane
alkene
What is the IUPAC name of for: CH3)2CHCH(OH)CH2C(CH3)3.
2,5,5-trimethyl-3-hexanol
1,1,4,4-pentamethylbutanol
1,1-dimethylisopentanol
2,5-dimethyl-4-hexanol
What is the IUPAC name for the compound
2,4,4-trimethylhexanoic acid
1-hydroxy-2,4-dimethylpentanone
1,1,3-trimethylbutanoic acid
2,4-dimethylpentanoic acid
The correct name for the compound is:
2-methyl-1-butene
3-methyl-2-butene
2-ethyl-1-pentane
2-ethyl-1-propene
Which of these species are structural isomers of C6H14?
The two molecules represented examples of
isomers
unsaturated hydrocarbons
alcohols
carboxylic acids
The systematic name for the compound is
4-secbutylheptane.
3-methyl-4-propylheptane
3-ethyl-4-propylhexane.
2-ethyl-4-propylhexane
Which one of these choices is the formula for a ketone?
CH3CHO
CH3COOH
CH3COCH3
CH3OCH3
Which one of these compounds will result from the addition of HCl to propene
CH3CH2CH2Cl
CH3CH(Cl)CH2Cl
CH3Cl + CH2=CH2
CH3CH(Cl)CH3
Bromination of benzene (C6H6), an aromatic compound
occurs by substitution rather than addition.
occurs in the absence of a catalyst.
results in formation of 1,2,3,4,5,6-hexabromocyclohexane
occurs by addition rather than substitution.
What is the alcohol and carboxylic acid will produced the following ester
CH3COOH
CH3CH2COOH
CH3CH2OH
CH3CH2CH2OH
The oxidation product of 1-propanol when using Cr2O72- as the oxidizing agent is acetone.
TRUE
FALSE
The systematic name for the compound with the following structural formula is 2,3-dimethyl-2-hexene
TRUE
FALSE
What is the alcohol is used in the manufacturing of the following ester
CH3CH2CH2OH
(CH3)2CH2CH2OH
CH3CH(OH)CH3
CH3CH2OH
What is the acid is used in the manufacturing of the following ester
CH3CH2CH2COOH
CH3CH2COOH
(CH3)2CH2COOH
CH3(CH3)2COOH
Another name for m-dichlorobenzene is:
1,2-dichlorobenzene
2,4-dichlorobenzene
1,3-dichlorobenzene
1,5-dichlorobenzene
What is the alcohol and carboxylic acid will produced the following ester
Which of these molecules is unsaturated?
C3H8
C5H10
CH3OH
C7H8
The two molecules represented are examples of
stereoisomers
structural isomers
optical isomers
geometric isomers.
Alkane and cycloalkanes have the general formula CnH2n+2
TRUE
FALSE
The reaction of hydrogen chloride gas with propene will yield 1-chloropropane as the main product.
TRUE
FALSE
Which of the following is an ester?
CH3COCH2OH
CH3COCOCH3
CH3CO2CH(OH)CH3
HOCH2CH2COOH
Compound Q gives positive triiodomethane test and decolourises purple colour of hot acidified KMnO4 solution. Compound Q is ?
CH3CH2OH
(CH3)3COH
CH3COCH2CH3
HOCH2C(CH3)2CH3
The least chemically reactive of the hydrocarbon families are the
alkanes
alkanes
benzene
alkynes
Which of these species is an aromatic compound?
C6H6Br2
C6H11Br
C6H4Br2
C6H9Br
Compound W, C4H10O, can be oxidized to C4H8O2 by acidified potassium permanganate solution. W could be?
(CH3)3COH
(CH3)2CHCH2OH
CH3CH2CH2CH2OH
CH3CH(OH)CH2CH3
The group of atoms that is responsible for the characteristic properties of a family of organic compounds is called __________
isomer
functional group
unsaturated hydrocarbon
saturated hydrocarbon
Organic compounds with the general formula R-O-R (where R is an alkyl group) are called
carbonyl
alcohols
ethers
ester
