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WorksheetsQ#04 DK024 MCQ MCO
Total questions: 20
Worksheet time: 20mins
In which of the following compounds have a quaternary carbon atom?
CH3CH2CH3
CH3CH(OH)CH2OH
(CH3)3CCH2CH3
C6H5COCH(CH3)2
In which of the following compounds have a quaternary carbon atom?
2,2-dimethylpropane
2,2-dimethylbutane
2,3-dimethylpentane
2,2,3-trimethylhexane
Which of the following is the functional group of an aldehyde?
COOH
COCl
CHO
COC
Which of the following shows the skeletal structure of lactic acid?
Which of the following is most probably a cyclic alkane?
C4H10
C5H10
C6H10
C6H6
Which compound is correctly paired with its functional group?
Alcohol
Amine
Ketone
Amide
What is the name of the following alkane?
(CH3)2CH(CH2)2CH3
2-methylpentane
3-methylpentane
2,2-dimethylbutane
4-methylpentane
What is the type of reaction when cyclohexene reacts with chlorine without any ultraviolet light present?
Free radical substitution
Electrophilic addition
Electrophilic substitution
Nucleophilic addition
Several reagents were reacted with 2-pentene. Which of the following products is not correct?
Reagent : Excess Cl2
Product : 2-chloropentane
Reagent : H2, Ni
Product : Pentane
Reagent : Excess Br2
Product : 1,2-dibromopentane
Reagent : HBr
Product : 2-bromopentane
Which of the following will be formed when cyclohexene reacts with cold, alkaline KMnO4?
cyclohexanol
1,2-cyclohexanediol
benzoic acid
cyclohexane
What is the IUPAC name for the following compound?
3-chlorophenol
3-chloro-1-hydroxybenzene
3-chlorocyclohexane
3-hydroxychlorobenzene
Why does benzene undergo substitution reactions rather than addition reactions?
Benzene has extra stability due
to the delocalized π electrons
All the carbon-carbon bonds in
benzene is strong.
All the carbon atoms in benzene
is sp2 hybridised.
Benzene is a planar, aromatic
compound.
Which of the following compounds is an aromatic alcohol?
C6H5COOH
C2H5OCH3
C6H5CH(OH)CH3
CH3-C6H4-OH
Which of the following compounds is expected to have the highest boiling point?
CH3CH2CH2OH
CH2OHCH2OH
CH3CH2CH(OH)CH3
(CH3)2CHCH2CH2OH
Which of the following alcohols can be oxidized to 2-methylpentan-3-one?
CH3CH2CH(OH)CH3
CH3CH(OH)CH2CH2CH3
(CH3)3CCH(OH)CH3
(CH3)2CHCH(OH)CH2CH3
Which of the following alcohols can be oxidized to ketone?
cyclohexanol
ethanol
2-propanol
3-hexanol
Which of the following compounds is expected to have the lowest boiling point?
CH3CH2CH2OH
CH2OHCH2OH
CH3CH2CH(OH)CH3
(CH3)2CHCH2CH2OH
Which of the following reagents can be used to test the present of aldehyde?
Silver diamine complex.
Ammonical silver nitrate
Acidified KMnO4
Alkaline iodine
Which of the following reagents can be used to test the present of propanone?
Silver diamine complex.
Ammonical silver nitrate
Acidified KMnO4
Alkaline iodine
Which of the following alcohol can be oxidised to 2-methylpropanoic acid?
2-methylbutan-2-ol
2-Butanol
2-methylpropan-2-ol
2-methylpropan-1-ol
