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WorksheetsAMINES
Total questions: 28
Worksheet time: 15mins
Which reagent can be used to convert Nitrobenzene to Aniline
KMNO4
Ammonia
Hydrogen on Palladium
None of the above
Reduction with iron scrap and HCl is preferred because
Iron scrap is cheap
FeCl2 formed gets hydrolysed to release hydrochloric acid
FeCl3 is formed during the process
NOne of the above
The breaking of the C–X bond by ammonia molecule is known as
Halogenation
Ammonolysis
Reduction
Ammonification
Conversion of Nitriles to amines is a Step up reaction
True or False
False
True
Amides are converted to amines by
Oxidation
Reduction
Hydrolysis
Ammonolysis
Secondary amine is obtained as a major product by taking large excess of ammonia in reaction with alkyl halide.
True or False
True
False
Amines can be prepared from the following reactions except ______
reduction of nitriles
reduction of amides
reduction of nitro compounds
reduction of carboxylic acids
Which of the following is a tertiary amines?
A. RNH2
B. RN(CH3)2
C. RNHCH3
D. RN+(CH3)
Name the compound based on the functional group present.
ethanamine
methanamine
amino acid
propanamine
The order of reactivity of halides with amines is
RI > RBr <Cl.
RI <RBr >RCl.
RBr >RI>RCl.
RI > RBr >RCl.
Which of the following is not a primary amine?
Diethylamine
3-Hexylamine
Cyclohexylamine
1-Butylamine
Which statement about the reaction of 1-bromobutane and NH3 is incorrect?
The reaction may lead to the formation of a quaternary ammonium salt
The reaction initially gives a primary amine
The reaction is a nucleophilic substitution
The reaction specifically gives a primary amine
Which of the following amines do you expect to have the highest boiling point?
Triethyl amine
methyl amine
dimethyl amine
diethyl amine
Which pairing of general formula and compound class is incorrect?
RCONH2; amide
R3CNH2; tertiary amine
RNH2; amine
(RCO)2NH; imide
Which is the correct arrangement of compounds based on decreasing order of Kb value
methyl amine > ammonia > phenyl amine
Phenyl amine > ammonia > methyl amine
Ammonia > phenyl amine > methyl amine
Which of the following is a tertiary amines?
A. RNH2
B. RN(CH3)2
C. RNHCH3
D. RN+(CH3)
The structure of an amine is shown. Black spheres represent carbon, the blue sphere nitrogen and the grey spheres hydrogen. This compound
is a primary amine
is a secondary amine
is a tertiary amine
cannot be classified as a primary, secondary or tertiary amine.
What is the name of this amine?
2-heptanamine
N-methyl-hexanamine
2-ethylamine
N-hepyl-ethanamine
What is the name of this amine?
2-methyl-1-propanamine
N-methyl-propanamine
2-dimethylamine
Butamine
identify the correct IUPAC name
(CH3CH2)2NCH3 = N-ethyl-N-methylethanamine
(CH3)3CNH2 = 2-methylpropan-2-amine
CH3NHCH(CH3)2 = N-methylpropan-2-amine
(CH3)2CHNH2 = 2,2-dimethyl-N-propanamine
N-phenylethanamide , C6H5NHCOCH3 can be produced by reacting
A. CH3COOH with C6H5COCH3
B. CH3Br with C6H5CONH2
C. C6H5CONH2 with C6H5NH2
D. CH3COCI with C6H5NH2
Name the product for the following reaction :
CH3CH2CH2CONH2 + Br2 + NaOH -->
A. CH3CH2CH2Br
B. CH3CH2CH2NH2
C. CH3CH2CH2COOH
D. CH3CH2CH2CH2NH2
The following statements are true about amines EXCEPT
A. Only primary and secondary amines can form hydrogen bonding with water molecules.
B. Amino compound can be prepared by reduction of nitrile compounds.
C. The boiling point of tertiary amine is the lowest because it cannot form hydrogen bonding between molecules.
D. Amino compound undergoes nucleophilic substitution with haloalkes.
The fishy odour of 1-propanamine is lost when HCI acid is added because
A. Neutralisation occur to form salt
B. 1-chloropropane which is insoluble in water is formed
C. 1-propanamine reacts with HCI to form propanoyl chloride
D. 1-propanamine reacts with HCI to form diazonium ion
Pick the FALSE statement about amines
A. Amines can undergo alkylation with haloalkanes
B. Aliphatic amines are stronger bases than ammonia
C. Aliphatic amines are weaker bases than aromatic amine
D. Both primary aliphatic and aromatic amines will release N2 when reacts with HNO2 at high temperature
Arrange the following compound according to decreasing order of boiling point?
I: Propanol
II: Propanamine
III: Propanoic acid
IV: Propanal
II>III> I>IV
IV>II> I>III
III>I> II>IV
III>I> II>IV
What is the reagent required to carry out the following conversion?
Hexanamide --> hexanamine
NaOH
Dilute HCl
HNO2
LiAlH4, ether
The following methods can be used to prepare ethanamine except for
ethanenitrile + LiAlH4
ethanamide + LiAlH4
1-bromoethane + NH3
1-bromoethane + KCN + LiAlH4
