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WorksheetsAmines
Total questions: 25
Worksheet time: 25mins
Which of the following is not a primary amine?
Diethylamine
3-Hexylamine
Cyclohexylamine
1-Butylamine
Which pairing of general formula and compound class is incorrect?
RCONH2; amide
R3CNH2; tertiary amine
RNH2; amine
(RCO)2NH; imide
Which one is among the important property of Zwitter ion
has a plus and minus charge in the structure
Its a dipolar ion
melting and Boiling point is lower
amino acids exist as zwitter ions
Which one among the following is a strongest base
methyl amine
Ammonia
Aniline
Benzylamine
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
Name the product for the following reaction :
CH3CH2CH2CONH2 + Br2 + NaOH -->
A. CH3CH2CH2Br
B. CH3CH2CH2NH2
C. CH3CH2CH2COOH
D. CH3CH2CH2CH2NH2
N,N-dimethylethylamine
N,N-diethylethylamine
N,N-dimethylpropylamine
N,N-dimethylmethylamine
State the reagent used to convert butanamine to butanol.
Nitric acid
Nitrous acid
Water
Sodium hydroxide
The following methods can be used to prepare ethanamine except for
ethanenitrile + LiAlH4
ethanamide + LiAlH4
1-bromoethane + NH3
1-bromoethane + KCN + LiAlH4
Amines can be prepared from the following reactions except ______
reduction of nitriles
reduction of amides
reduction of nitro compounds
reduction of carboxylic acids
Give the IUPAC name for above compound
N-butyl-N-ethyl-N-methylamine
4-amino-N-methyl-hexane
N-ethyl-N-methyl-1-butanamine
Aromatic amines are ____ bases than ammonia, due to the ____ nature of the aryl group.
Stronger, electron donating
Weaker, electron donating
Stronger, electron withdrawing
Weaker, electron withdrawing
Which is the incorrect statement in the following ?
Methylamine is more basic than ammonia
Amines from hydrogen bonds
Ethylamine has higher boiling point than propane
Dimethylamine is less basic than methylamine .
The correct order of basic strengths is :
CH3NH2 > (CH3)2 NH > (CH3)3N
(CH3)3N > (CH3)2 NH > CH3NH2
(CH3)2 NH > (CH3)NH2 > (CH3)3N
(CH3)3N > CH3NH2 > (CH3)2NH
Aniline react with bromine water to form
Bromobenzene
m-bromo aniline
2,4,6-tribromoaniline
o and p –bromoaniline
Which of the following pairs will react to form benzenadiazonium chloride under suitable conditions?
A. Methylbenzene and HNO3/HCI
B. Nitrobenzene and SN/HCI
C. Aniline and NaNO2/HCI
D. Aniline and HNO3/HCI
N-phenylethanamide , C6H5NHCOCH3 can be produced by reacting
A. CH3COOH with C6H5COCH3
B. CH3Br with C6H5CONH2
C. C6H5CONH2 with C6H5NH2
D. CH3COCI with C6H5NH2
Aqueous solutions of ammonia, ethylamine and phenylamine are prepared. Each solution has the same concentration.
Which is the correct order for the pH values of these solutions?
ammonia > ethylamine > phenylamine
ammonia > phenylamine > ethylamine
ethylamine > ammonia > phenylamine
ethylamine > phenylamine > ammonia
Hinsberg Reagent is
Benzenesulphonyl trichloride
Benzenesulphonyl fluoride
Benzenesulphonyl diachloride
Benzenesulphonyl chloride
Aniline can be converted into phenyl iso cyanide by
Hinsberg Reagent
Carbylamine Reagent
Iodoform
CU/HCL
Carbylamine reagent is
CHCL3
CHCL3 + Br2
CHCl3 + KOH
CHCL3 + KCL
A reaction in which a primary amine is formed from primary amide is called
Hoffmann bromamide reaction
CARBYLAMINE
AZO DYE TEST
NITRATION
Which class of amine can form intermolecular hydrogen bonds
1o only
2o only
3o only
1o and 2o
2o and 3o
In Hinsberg reaction, after the reaction with benzene sulphonyl chloride, primary amine will remain ... in base solution, & then ... in acid solution.
Soluble, insoluble
Insoluble, no change
No change, Soluble
Soluble, no change
In Hinsberg reaction, after the reaction with benzene sulphonyl chloride, tertiary amine will remain ... in base solution, & then ... in acid solution.
Soluble, insoluble
Insoluble, no change
Insoluble, Soluble
Soluble, no change
