Class XII (M. P. Board Bhopal)
ORGANIC COMPOUNDS CONTAINING NITROGEN
Objective Type
Questions
Q. 1. Choose the correct option:
1.
The isocyanide test is given by
(a) Primary amine (b) Secondary amine
(c) Tertiary amine (d) Phenol.
2.
Methyl cyanide on hydrolysis gives
(a) CH3COOH (b) HCOOH
(c) CH3NH2
(d) (CH3CO)2O.
3.
Ethyl amine reacts with nitrous acid to form
(a) Ammonia (b) Nitrous oxide (c)
Ethane (d)
Nitrogen
4.
Aniline is purified by
(a) Steam distillation (b) Vacuum distillation
(c) Simple distillation (d) Solvent extraction.
5.
Nitroso oil is obtained by the action of HNO₂ with
(a) Primary amine (b) Secondary amine
(c) Tertiary amine (d) Quaternary ammonium salt.
6.
In Hofmann bromamide reaction
(a) Number of Carbon atom
increases
(b) Number of Carbon atom decreases
(c) Number of Hydrogen atom
decreases
(d) None of the above.
7.
When acetamide is treated with bromine and alkali it is obtained
(a) Methyl amine (b) Methyl bromide
(c) Acetone (d) Acetaldehyde.
8.
The weakest base is:
(a) Methyl amine (b) Dimethyl amine
(c) Ammonia (d) Trimethyl amine.
9.
An inorganic compound which on heating gives an organic compound:
(a) Sodamide (b)
Sodalime
(c) Ammonium cyanate (d) Potassium cyanide.
10.
Which of the following compounds gives dye test:
(a) Aniline (b) Methyl amine
(c) Diphenylamine (d) Ethyl amine.
11. A compound which gives oily nitroso-amine with nitrous
acid at low temperature:
(a) Methyl amine (b) Dimethyl amine
(c) Trimethyl amine (d) Triethyl amine.
12. Which of the following has strongest
basic character :
(a) C6H5NH2 (b)
(CH3)2NH
(c) (CH3)3NH (d) NH3.
13. Benzene diazonium chloride gives on hydrolysis :
(a) Chlorobenzene (b) Phenol (c) Alcohol (d) Benzene.
14. In the reaction C6H5CHO + C6H5NH2 → C6H5N = CHC6H5 + H2O + C6H5N = CHC6H5 is known as :
(a) Aldol (b) Schiff’s
reagent
(c) Schiff’s base (d) Benedict reagent.
15. Nitrobenzene gives N – phenyl hydroxyl amine when it
reacts with :
(a)
Sn/HCl (b)
C6H5CH2NH – CH3
(c) Zn/NaOH d) Zn/NH4Cl.
16. Which of the mixture when reacts with ale. KOH known as
Carbylamine reaction :
(a)
Chloroform and Ag powder
(b) Trihalogenated methane and primary amine
(c) Alkyl
trihalide and primary amine
(d) Alkyl
cyanide and primary amine.
17. Which of the following gas is responsible for Bhopal gas
tragedy in 1984
(a) CH3 – N = C = O
(b)
CH3 – N = C = S
(c) CHCl3 (d)
C6H5COCl.
18. Aniline reacts with cold nitrous acid (NaNO2 + HCl) and gives :
(a) C6H5 – OH (b) C6H5 – N=N–Cl
(C) C6H5 – NO2 (d) C6H5 – Cl.
19. The
product of mustard oil reaction is
(a) Alkyl isothiocyanate (b)
Dithiocarbonamide
(c) Dithioethyl
acetate (d)
Thioether.
20. A nitrogen containing compound, on heating with
chloroform and alcoholic KOH gives vapours of disagreeable odour, the compound
can be :
(a) Nitrobenzene (b)
Benzamide
(c) N, – N – dimethyl aniline (d) Aniline.
21. Amine which will not react with acetyl chloride is :
(a) CH3 – NH2 (b) (CH3)2NH
(c) (CH3)3N (d)
None of these.
22. Benzene diazonium Chloride Convert to Chlorobenzene
(a)
Gattermann’s reaction (b) Sandmeyer’s
reaction
(c) Wurtz’s reaction (d) Frankland
reaction.
Q. 2. Fill in the blanks :
1. With transition metal ion amine establish co –
ordination and form ……………. Complex ion
2. By reduction cyanides form ……………. and
isocyanides form Primary amine, secondary amine
3. Benzoic acid reacts with hydrazoic acid to form
……………. Aniline
4. All aliphatic amines are more ……………. than
ammonia. Basic
5. 1° and 2° amine react with Grignard reagent to
form ……………. Alkane
6. C6H6 – COOH + ……………. → C6H5NH2 + N2 + CO2 N3H
7. Trinitrotoluene is an ……………. substance. Explosive
8. Methyl amine is ……………. basic than ammonia. More
9. Aromatic amines are ……………. in water. Insoluble
10.
Amines
are benzolate in presence of NaOH. This reaction is called ……………. Schotten
Baumann
11.
By
reaction with nitrous acid 1° amine forms alcohol and 2° amine form ……………. Nitrosamine
12.
Reaction
of 2° amine with nitrous acid represent ……………. Libermann nitroso test
13.
Basic
nature of amine is due to presence of ……………. on nitrogen atom. Lone electron pair
14.
Primary
amine on heating with ……………. and ……………. form alkyl isocyanides. Chloroform and caustic soda
15.
Mixture
of T.N.T. and ammonium nitrate is known as ……………. Amatol
16.
On
reacting aniline with HCl and NaNO2 at 0°C
temperature benzene diazonium chloride is formed. This is called …………….
reaction. Diazotisation
17.
On
heating alkyl isocyanide at 250°C ……………. is formed. Alkyl isocyanate
18.
The basic nature of amine is due to the presence of ................
on Nitrogen atom (Lone pair electron)
19.
By Stephen reaction alkyl cyanide is converted into
.................……...…..….... (Aldehyde)
20.
Carbylamine reaction gives only .................. amine.( Primary)
21.
Cleavage of C-X bond in amine by ammonia is called. (Ammonolysis)
22.
Pure amine is ............ but gets coloured when kept in air
for a long time. (Colourless)
23.
On heating Aniline with chloroform and alcoholic caustic
potash is formed.
(Phenyl-iso-cyanide)
24.
The major product of mustard oil reaction is (Isothiocyanate)
25.
On heating alkyl isocyanide at 250°C is obtained.( Alkyl cyanide)
26.
Methyl amine is .............basic than ammonia. (More)
27.
Trinitrotoluene is an.............. substance. (Explosive)
Q. 3. Match the following:
'A' 'B'
1. Nitrobenzene (a) oil of Mirben
2. Mustard oil reaction (b) Alkyl isothio-cyanate
3. Carbylamine reaction (c) Isocyanide
4. Sandmeyer reaction (d)
Bromobenzene
5. Hoffman bromide reaction (e) Primary Amine
Q. 4. Answer in one word / sentence:
1. What is nitrating mixture?
Mixture of conc. HNO3 + H₂SO4
2. What is called mirben oil? Nitro-benzene C6H5NO2
3. Which reagent is used to
differentiate among primary, secondary and tertiary amine?
Hinsberg reagent C6H5SO2Cl
4. Aniline turns blackish brown
when exposed to air, why? Due to Oxidastion
5. What is obtained by reduction
of Nitrobenzene in acidic medium Aniline
6. The reaction of benzene
diazonium chloride with phenol is called. Coupling reaction
7. Carbyl amine test is given by? Primary amine
8. The nature of amine is. Alkaline (Basic)
9. In which amine hydrogen
bonding is not found.
Tertiary amine.
10.Which
of the following gas is responsible for Bhopal gas tragedy in 1984
methyl isocyanate (MIC) gas
