Download AIEEE 2009 CHEMISTRY 1.Amongst the following phenols which is

AIEEE 2009
CHEMISTRY
1.Amongst the following phenols which is most acidic?
a)
Picric acid
b)
2-Nitrophenol c)
2,4-Dinitrophenol
d)
m-Nitrophenol
2.When vapours of an alcohol passed over hot reduced copper, alcohol is converted into alkene, the
alcohol is
a)
primary b)
secondary
c)
tertiary d)
none of
these
3.Salicyaldehyde can be prepared from
a)
Phenol and Chloroform b)
Phenol, Chloroform and Sodium Hydroxide
c)
Phenol, Carbon tetrachloride and NaOH d)
None
4.Dehydration of glycerol gives
a)
Propane
b)
Propene
c)
Acrolein
d)
Benzene
5.Which of the following cannot be produced by dehydration of alcohols?
a)
Ethers b)
Aldehyde
c)
Alkyl hydrogen sulphate d)
Alkene
6.Action of nitrous acid on ethylamine gives
a)
C2H6 b)
C2H5OH
c)
C2H5OH and C2H4
d)
C2H5OH and NH3
7.On warming with silver powder, chloroform is converted into
a)
Acetylene
b)
Hexachloroethane
c)
1,1,2,2-Tetrachlorethane
d)
Ethylene
8.Which of the following alkyl halides is used as a methylating agent?
a)
C2H5Cl b)
C2H5Br c)
C2H5I d)
CH3I
9.AgNO3 does not give precipitate with chloroform because
a)
CHCl3is insoluble in water
b)
CHCl3does not ionise in water c)
CHCl3is an organic compound d)
AgNO3is insoluble in CHCl3
10.Ethyl bromide on treatment with alcoholic KOH gives
a)
Ethylene
b)
Ethanol c)
Acetic acid
d)
Ethyl
11.1,3-Dibromopropane reacts with metallic zinc to form
a)
Propene
b)
Propane
c)
Cyclopropane d)
Hexane
12.Which of the following does not give iodoform test
a)
Ethanol b)
Ethanal c)
Acetophenone d)
Benzophenone
13.Cl2reacts with CS2in presence of AlCl3 to form
a)
CHCl3 b)
CCl4 c)
C2H5Cl d)
C2H6
14.Phosgene is a common name of
a)
mixture of CO2and Cl2 b)
POCl3 c)
Carbonyl Chloride
d)
CCl4
15.Ethyl bromide reacts with lead-sodium alloy to form
a)
Tetraethyl lead b)
Tetraethyl lead bromide c)
both
d)
none
16.Reaction of ethylamine with chloroform in alcoholic KOH produces
a)
CH3OH b)
CH3NC c)
C2H5NC
d)
C2H5CN
17.DDT is formed from
a)
Benzene and Chlorobenzene b)
Chloral and Chlorobenzene
c)
Chloral and Benzene d)
Chlorobenzene and Chlorine
18.Carbon atom holding halogen in Aryl halides is
a)
sp2hybridised b)
sp3hybridised c)
sphybridised
d)
sp3dhybridised
19.Which of the following is the scientific method to test presence of water in a liquid?
a)
smell b)
taste c)
use of litmus paper
d)
use of anhydrous copper sulphate
20.An organic compound with C=40%, H=13.33% and N=46.67%. Its empirical formula would be
a)
CHN b)
C2H2N c)
CH4N d)
C3H7N
21.A compound with empirical formula CH2O has a vapour density of 30. Its molecular formula is
a)
C2H2O2
b)
C2H4O2
c)
C3H6O3
d)
C6H12O6
22.Absolute alcohol is prepared by
a)
fractional distillation
b)
Kolbe's method c)
Vacuum
distillation
d)
Azeotropic distillation
23.Chloroform and Benzene form a pair of miscible liquids. These can be separated by
a)
sublimation
b)
filtration c)
a separating funnel
d)
distillation
24.The purity of an organic compound is determined by
a)
density b)
melting point
c)
mixed melting point
d)
molecular weight
25.Nitrogen in an organic compound can be estimated by
a)
Kjeldahl's method only b)
Duma's method only
c)
Both
the methods
d)
None of these methods
26.In Lassaigne's test for nitrogen, the blue colour is due to the formation of
a)
Potassium Ferrocyanide b)
Sodium Cyanide
c)
Sodium
Ferrocyanide d)
Ferri-ferrocyanide
27.Distillation is used to seperate liquids which differ in their boiling point by
a)
50C
b)
100C c)
300−800C
d)
1000C
28.The simplest formula of compound containing 50% of element X(at.wt.10) and 50% of element Y
(at.wt.20) is
a)
XY
b)
XY2
c)
X2Y
d)
X2Y3
29.In Duma's method, the gas which is collected in nitrometer is
a)
N2
b)
NO
c)
NH3
d)
H2
30.Which process is suitable for the purification of Aniline?
a)
simple distillation
b)
steam distillation
c)
fractional distillation
d)
fractional crystallisation
31.Propyne and Propene can be distinguished by
a)
Dilute KMnO4 b)
Conc. H2SO4 c)
AgNO3in ammonia
d)
Br2in CCl4
32.Hydrocarbon which is liquid at room temperature is
a)
Pentane
b)
Butane c)
Propane
d)
Ethane
33.n-Butylbenzene on oxidation will give
a)
Benzoic acid
b)
Butanoic acid c)
Benzyl alcohol d)
Benzaldehyde
34.How many monochlorobutanes will be obtained on chlorination of n-butane?
a)
1
b)
2
c)
3
d)
4
35.An alkane C7H16is produced by the reaction of Lithium di (3-Pentyl) cuperate with ethyl bromide. The
structural formula of product is
a)
3-methylhexane b)
2-ethylpentane c)
3-ethylpentane d)
n-heptane
36.Octane number is zero for
a)
n-heptane
b)
isooctane
c)
n-hexane
d)
isoheptane
37.In Wurtz reaction the reagent used is
a)
Na
b)
Na/Liquid NH3 c)
Na/Dry ether
d)
Na/Dry alcohol
38.Propene is reacted with HBr in presence of peroxide, the product is
a)
2-bromopropane
b)
1-bromopropane
c)
3-bromopropane
d)
none of these
39.Which of the following has highest chlorine content?
a)
Pyrene b)
DDT
c)
Chloride
d)
Gammaxane
40.Which of the following substances is used as an antiknock compound?
a)
Tetraethyl lead b)
Lead Tetrachloride
c)
Lead Acetate
d)
Ethyl Acetate
41.In the commercial gasolines, the type of hydrocarbons which are not desirable is
a)
Branched hydrocarbon b)
Straight chain hydrocarbon
c)
Linear unsaturated hydrocarbon d)
Toluene
42.Which gaseous hydrocarbon is produced when calcium carbide reacts with water?
a)
Methane
b)
Ethane c)
Ethylene
d)
Acetylene
43.Which of the following shows acidic character
a)
CH3C≡CH
b)
CH3C≡CCH3 c)
CH3−CH3
d)
CH2=CH2
44.Reactions of alkanes with halogens is explosive in case of
a)
F2
b)
Cl2
c)
Br2
d)
I2
45.Acetylene reacts with ammoniacal silver nitrate to form
a)
silver mirror
b)
metal silver
c)
silver acetate d)
silver acetylide
46.Gammaxane is
a)
D.D.T b)
Benzene Hexachloride c)
Chloral d)
Hexachloroethyne
47.Benzene reacts with CH3COCl in the presence of AlCl3to give
a)
C6H5Cl b)
C6H5COCl
c)
C6H5CH3
d)
C6H5COCH3
48.Toluene on oxidation with dilute HNO3 gives
a)
Benzaldehyde b)
Phenol c)
Nitrotoluene
d)
Benzoic acid
49.Which of the following compound will form hydrocarbon on reaction with Grignard's reagent?
a)
CH3CH2OH
b)
CH3CHO
c)
CH3COCH3
d)
CH3COOCH3
50.Benzene reacts with Cl2in the presence of halogen carriers to produce
a)
Benzyl chloride b)
Benzal chloride c)
Chlorobenzene d)