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Published on: 01/11/2019
Organic Nitrogen Compounds
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1.
The major product of the following reaction
2.
Among the following, the reaction that proceeds through an electrophilic substitution is : _______.
3.
Identify X in the sequence give below
4.
Ammonium salt of benzoic acid is heated strongly with and the product so formed is reduced and then treated with NaNO2 / HCl at low temperature. The final compound formed is _______.
Benzene diazonium chloride
Benzyl alcohol
Phenol
Nitrosobenzene
5.
P Product ‘P’ in the above reaction is _______.
6.
IUPAC name for the amine
3 – Bimethylamino – 3 – methyl pentane
3 (N,N – Triethyl) – 3- amino pentane
3 – N,N – trimethyl pentanamine
N,N – dimethyl – 3- methyl - pentan - 3 amine
7.
When 
is reduced with Sn / HCl the pair of compounds formed are _______.
Ethanol, hydrozylamine hydrochloride
Ethanol, ammonium hydroxide
Ethanol, NH2OH
C3H5NH2, H2O
8.
Which one of the following is most basic?
2,4 – dichloroaniline
2,4 – dimethyl aniline
2,4 – dinitroaniline
2,4 – dibromoaniline
9.
Which of the following amines does not undergo acetylation?
t – butylamine
ethylamine
diethylamine
triethylamine
10.
Secondary nitro alkanes react with nitrous acid to form _______.
red solution
blue solution
green solution
yellow solution
11.
C5H13N reacts with HNO2 to give an optically active compound – The compound is _______.
pentan – 1- amine
pentan – 2- amine
N,N – dimethylpropan -2-amine
diethyl methyl amine
12.
Nitrobenzene on reaction with Con HNO3 / H2SO4 at 80-100oC forms which one of the following products?
1,4 – dinitrobenzene
2,4,6 – tirnitrobenzene
1,2 – dinitrobenzene
1,3 – dinitrobenzene
13.
C6H5NO2 \(\overset { Fe/Hel }{ \longrightarrow } A\overset { { NaNO }_{ 2 }/HCl }{ \underset { 273K }{ \longrightarrow } } B\overset { { H }_{ 2 }O }{ \underset { 283 }{ \longrightarrow } } C \) C' is _______.
C6H5 - OH
C6H5 - CH2OH
C6H5 - COH
C6H5NH2
14.
_______.
H3PO2 and H2O
H+/H2O
HgSO4/H2SO4
Cu2Cl2
15.
The order of basic strength for methyl substituted amines in aqueous solution is _________.
N(CH3)3> N(CH3)2H> N(CH3)H2> NH3
N(CH3)H2>N(CH3)2H > N(CH3)3>NH3
NH3> N(CH3)H2> N(CH3)2 H>N(CH3)3
N(CH3)2H>N(CH3)H2> N(CH3)3> NH3
16.
17.
Which of the following reaction is not correct.
CH3 CH2 NH2 \(\overset { { HNO }_{ 2 } }{ \longrightarrow } \)CH3CH2 OH + N2
CH2 CONH2 \(\overset { { Br }_{ 2 }/NaOH }{ \longrightarrow } \)CH3 NH2
none of these
18.
The product formed by the reaction an aldehyde with a primary amine ________.
carboxylic acid
aromatic acid
schiff ’s base
ketone
19.
Aniline + benzoylchloride \(\overset { NaOH }{ \longrightarrow } \)C6H5 - NH - COC6 H5 this reaction is known as ______.
Friedel – crafts reaction
HVZ reaction
Schotten – Baumann reaction
none of these
20.
Which one of the following nitro compounds does not react with nitrous acid.
CH3 -CH2 -CH2 -NO2
(CH3)2 CH - CH2NO2
(CH3)3 C NO2
\({ CH }_{ 3 }-\underset { \overset { || }{ O } }{ C } -\underset { \overset { || }{ { CH }_{ 3 } } }{ CH } -{ NO }_{ 2 }\)
21.
CH3CH2 Br \(\overset { aqNaOH }{ \underset { \Delta }{ \longrightarrow } } A\overset { { KMnO }_{ 4 }{ /H }^{ + } }{ \underset { \Delta }{ \longrightarrow } } B\overset { { NH }_{ 3 } }{ \underset { \Delta }{ \longrightarrow } } C\overset { { Br }_{ 2 }/NaOH }{ \longrightarrow } D\) D' is________.
bromomethane
α - bromo sodium acetate
methanamine
acetamide
22.
Which one of the following will not undergo Hofmann bromamide reaction.
CH3CONHCH3
CH3CH2CONH2
CH3CONH2
C6H5CONH2
23.
The method by which aniline cannot be prepared is _________.
degradation of benzamide with Br2 / NaOH
potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution.
reduction of Nitrobenzene with LiAlH4
reduction of nitrobenzene by Sn / HCl
24.
Which of the following reagent can be used to convert nitrobenzene to aniline.
Sn / HCl
ZnHg / NaOH
Zn/NH4Cl
All of these
25.
Assertion: Acetamide on reaction with KOH and bromine gives acetic acid
Reason: Bromine catalyses hydrolysis of acetamide.
Codes:
a) if both assertion and reason are true and reason is the correct explanation of assertion.
b) if both assertion and reason are true but reason is not the correct explanation of assertion.
c) assertion is true but reason is false
d) both assertion and reason are false.
If both assertion and reason are true and reason is the correct explanation of assertion
if both assertion and reason are true but reason is not the correct explanation of assertion.
assertion is true but reason is false
both assertion and reason are false
1.
(b)
2.
(b)
3.
(a)
4.
(b)
Benzyl alcohol
5.
(b)
6.
(d)
N,N – dimethyl – 3- methyl - pentan - 3 amine
7.
(a)
Ethanol, hydrozylamine hydrochloride
8.
(b)
2,4 – dimethyl aniline
9.
(d)
triethylamine
10.
(b)
blue solution
11.
(b)
pentan – 2- amine
12.
(d)
1,3 – dinitrobenzene
13.
(a)
C6H5 - OH
14.
(a)
H3PO2 and H2O
15.
(d)
N(CH3)2H>N(CH3)H2> N(CH3)3> NH3
16.
(d)
17.
(b)
18.
(c)
schiff ’s base
19.
(c)
Schotten – Baumann reaction
20.
(c)
(CH3)3 C NO2
21.
(c)
methanamine
22.
(a)
CH3CONHCH3
23.
(b)
potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution.
24.
(a)
Sn / HCl
25.
d) both assertion and reason are false.
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