WorksheetsQuestions
Total questions: 20
Worksheet time: 3600secs
Given their standard reduction potentials, which of the species is going to be oxidized?
Cu2+/Cu = 0.34V
Zn2+/Zn = -0.76V
Cu
ZnSO4
CuSO4
Zn
Which reagent is suitable for the following reaction? CH3CH2CH2CH3 → CH3CH2CH2CH2Cl
Cl2/UV light
NaCl + H2SO4
Cl2 gas in dark
Cl2 gas in the presence of iron in dark
What is reagent D used in nitration reaction??
KMnO4
conc HNO3, Conc H2SO4
conc HNO2, Conc H2SO4
conc H2SO4
What is reagent B?
CH3CH2Br, AlBr3
CH3Cl, AlCl3
CH3CH2CH2Cl, FeCl3
CH3CH(CH3), AlCl3
Which type of reaction does aromatic compounds usually undergo?
Electrophilic substitution reaction
Electrophilic addition reaction
Nucleophilic substitution reaction
Nucleophilic addition reaction
Which of the following alcohols can be oxidised to 2-methyl-3-pentanone?
CH3CH2CH(OH)CH3
CH3CH(OH)CH2CH2CH3
(CH3)3CCH(OH)CH3
(CH3)2CHCH(OH)CH2CH3
Which reagent would you choose to convert 1-pentanol to pentanal?
PCC in CH2Cl2
K2Cr2O7 with aqueous H2SO4
KMnO4 with aqueous H2SO4
KOH, ethanol, reflux
Boiling points of carboxylic acids are higher than those of corresponding alcohols due to...
Strong London dispersion forces
Strong dipole dipole interaction
Strong hydrogen bonded dimer
Strong covalent bond
Which carboxylic acid is most acidic?
CH3CH2CH2COOH
CH3CH2CH(Cl)COOH
CH3CH(Cl)CH2COOH
(Cl)CH2CH2CH2COOH
Choose the correct statement.
Ethanoic acid is completely soluble in water because it can dimerise in the presence of water.
Ethanoic acid is completely soluble in water because of its low boiling point
Ethanoic acid is completely soluble in water because it can form van der Waals forces with water molecules.
Ethanoic acid is completely soluble in water because it has small hydrophobic group and can form hydrogen bond
Reaction between this compound and H2 in the presence of Ni catalyst will produce
3-methylbutene
3-methylbutane
2-methylbutane
2-methylbutene
n-butane
What would you observe when bromine water is added to alkene?
Solution turns green
Brown precipitate formed
Formation of colourless solution
Green solution formed
Ethene reacts with cold basic potassium manganate (VII) solution for form W.
What is W?
ethanol
ethane
ethen-1,2-diol
ethane-1,2-diol
Compound C easily undergoes hydrolysis to form compound D, which forms 2-methylpropene when heated with concentrated sulphuric acid. Using the information above, proposed the structural formula for compound C
CH3CH2CH(Br)CH3
CH3CH2CH2CH(Br)CH3
CH3CH2(CH3)CH2CH2Br
(CH3)2C(Br)CH3
Arrange the following haloalkanes in order of increasing rate of unimolecular nucleophilic substitution reaction:
I. 2-chloro-2-methylpropane
II. 2-chlorobutane
III. 1-chlorobutane
I< II < III
I< III < II
III< I < II
III< II < I
Reaction of a carboxylic acid and sodium hydroxide will produce:
an ammonium salt
an alcohol
an ester
a carboxylate salt
What is the formula of the ester formed when methanol reacts with butanoic acid?
C2H5COOC2H5
C3H7COOC2H5
C3H7COOCH3
CH3COOC3H7
Which one is Lucas reagent?
Cold dilute alkaline KMnO4
Con.HCl / anhydrous ZnCl2
FeSO4 / H2O2
Anhydrous AlCl3
P
Q
R
S
Iodoform test in alcohol is used to identify the presence of
methyl carbonyl group
carbonyl group
hydroxyl group
methyl carbinol group
