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WorksheetsQ#05 DK024 MQA MCO
Total questions: 20
Worksheet time: 20mins
The hydrogen atom labelled x is a
Primary hydrogen atom
Secondary hydrogen atom
Tertiary hydrogen atom
Quarternary hydrogen atom
Which of the following species is not a nucleophile?
Br2
NH3
H2O
CH2=CHCH3
Which of the following species is nucleophile?
Cl2
BH3
H2O
NH3
Which of the following species is NOT a nucleophile?
Br2
CH3+
H+
AlCl3
Which of the following species is NOT an electrophile?
Benzene
NH3
OH-
[CH2-CH=CH2]+
Which of the following is an example of a nucleophilic substitution reaction?
C6H5CH3 + Br2 → C6H5CH2Br + HBr
CH3CH=CH2 + Cl2 → CH3CH(Cl)CH2Cl
CH3CH2Cl + OH- → CH3CH2OH + Cl-
C6H5CH3 + CH3Cl → C6H5CH3 + HCl
Which of the following is an example of an electrophilic addition reaction?
C6H5CH3 + Br2 → C6H5CH2Br + HBr
CH3CH=CH2 + Cl2 → CH3CH(Cl)CH2Cl
CH3CH2Cl + OH- → CH3CH2OH + Cl-
C6H5CH3 + CH3Cl → C6H5CH3 + HCl
Which of the following is an example of an electrophilic substitution reaction?
C6H6 + Br2 → C6H5Br + HBr
CH3CH=CH2 + Cl2 → CH3CH(Cl)CH2Cl
CH3CH2Cl + OH- → CH3CH2OH + Cl-
C6H6 + CH3Cl → C6H5CH3 + HCl
Which of the following is an example of a free radical substitution reaction?
C6H5CH3 + CH3Cl → C6H5CH3 + HCl
CH3CH=CH2 + Cl2 → CH3CH(Cl)CH2Cl
CH3CH2Cl + OH- → CH3CH2OH + Cl-
C6H5CH3 + Cl2 → C6H5CH2Cl + HCl
Which of the following is an example of a substitution reaction?
C6H6 + Br2 → C6H5Br + HBr
CH3CH=CH2 + Cl2 → CH3CH(Cl)CH2Cl
CH3CH2Cl + OH- → CH3CH2OH + Cl-
C6H5CH3 + Cl2 → C6H5CH2Cl + HCl
The molecular formula of an alkane is C10H22. Which of the following is true about this compound?
It cannot decolourise acidified KMnO4
It is a colourless liquid at room temperature
It can decolourise acidified KMnO4
they are nonpolar, and combustable
The molecular formula of an alkane is C5H10. Which of the following is true about this compound?
It decolourises bromine in tetrachloromethane
It is a colourless liquid at room temperature
It give yellow precipitate with alkaline solution of iodine
It decolourise alkaline KMnO4
Which of the following is NOT a propagation step in the reaction between ethane and chlorine?
Cl2 → 2Cl∙
∙CH2CH3 + ∙Cl → ClCH2CH3
Cl∙ + CH3CH3 → CH3CH2∙ + HCl
∙CH2CH3 + HCl → CH3CH2Cl + H∙
Which of the following is termination step in the reaction between ethane and chlorine?
Cl2 → 2Cl∙
∙CH2CH3 + ∙Cl → ClCH2CH3
Cl∙ + CH3CH3 → CH3CH2∙ + HCl
∙CH2CH3 + HCl → CH3CH2Cl + H∙
Which of the following alkenes is correctly named?
Alkene : (CH3)2C=CHCH3
Name : 2-methyl-2-butene
Alkene : (CH3)2CHCH=CH3
Name : 2-methylbutene
Alkene : CH2=CHCH=CH2
Name : Butadiene
Alkene : CH3CH=C(CH3)CH2CH3
Name : 2-methyl-2-pentene
Which of the following alcohols is correctly named?
Alkene : (CH3)2CHCH(OH)CH3
Name : 2-methyl-2-butanol
Alkene : CH2(OH)CH2CH(CH3)2
Name : 3-methylbutanol
Alkene : (CH3)2CHCH(OH)CH3
Name : 2-methylbutanol
Alkene : CH2(OH)CH2CH(CH3)2
Name : 2-methyl-2-butanol
By using Saytzeff’s rule, the most stable alkene is
(C2H5)2C=CH2
CH2=C(CH3)2
(CH3)2C=C(CH3)2
CH2=CH2
By using Saytzeff’s rule, the most stable alkene is
(CH3)2C=CH2
CH2=C(CH3)2
(CH3)2C=CH(CH3)
(CH3)CH=CH(CH3)
The alkene, 2-methyl-2-butene reacts with hydrogen chloride at room temperature and to form X. Which of the following is X?
1-chloro-2-methylbutane
2-chloro-2-methylbutane
3-chloro-2-methylbutane
1-chloro-2,2-dimethylbutane
The alkene, cyclohexene reacts with hydrogen chloride at room temperature and to form W. Which of the following is W?
chlorocyclohexane
2-chlorocyclohexene
1,2-dichlorocyclohexane
cyclohexane
