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CET 2009

C

Code No
...
Slip before filling your Roll Number on the Test Booklet
and Answer Sheet

Roll No
...
M
...
Answer Sheet Serial No
...
Write your Roll No
...

2
...
of Question Booklet on the OMR Answer Sheet
...

3
...

4
...

5
...
In case of any discrepancy, inform the
Assistant Superintendent within 10 minutes of the start of test
...
Each question has four alternative answers (A, B, C, D) of which only one is correct
...

7
...
No marks will be deducted in such cases
...
Darken the bubbles in the OMR Answer Sheet according to the Serial No
...

9
...
e
...
A wrong answer means incorrect answer or wrong filling of bubble
...
For calculations, use of simple log tables is permitted
...

11
...

12
...
Therefore, if you do not follow the instructions
given on the Answer Sheet, it may make evaluation by the computer difficult
...
e
...

13
...

14
...
Any candidate found doing so would be expelled from
the examination
...
A candidate who creates disturbance of any kind or changes his/her seat or is found in possession of any
paper possibly of any assistance or found giving or receiving assistance or found using any other unfair
means during the examination will be expelled from the examination by the Centre Superintendent /
Observer whose decision shall be final
...
Telecommunication equipment such as pager, cellular phone, wireless, scanner, etc
...
Use of calculators is not allowed
...
Diazonium salt can be prepared by reacting nitrous acid with :
(A) Toluene
(B) Phenol
(C) Aniline
(D) Pyridine
3
...
Oils and fats are esters formed from glycerol and :
(A) Sulphonic acids
(B) Long chain aliphatic acids
(C) Aromatic acids
(D) α-Amino acids
5
...
The compound CH3–CH–CH2–CH–C–CH3 has the IUPAC name as :
(A) 3-Bromo-5-methyl-2-hexanone
(B) 3-Bromo-2-heptanone
(C) 4-Bromo-2-methyl-5-hexanone
(D) 3-Bromo-4-isopropyl-2-butanone
7
...

(B) Ethanol is less acidic than phenol
(C) Phenol is more acidic than acetic acid
(D) Ethyne is a non-linear molecule
...
A carboxylic acid can be converted into the corresponding anhydride using :
(A) SOCl2
(B) SO 2
(C) Conc
...
The first step in the chlorination of methane in the presence of U
...
light is :
(A) Heterolytic fission of chlorine molecule
(B) C–H bond cleavage
(C) Homolytic fission of chlorine molecule
(D) Formation of a carbocation
10
...
The synthetic resin bakelite can be obtained by using the starting material :
(A) Formic acid
(B) Acetic acid
(C) Formamide
(D) Formaldehyde
1
...
Which of the following is not contributing to the environmental pollution ?
(A) Nitrogen
(B) Carbon dioxide
(C) Sulphur dioxide
(D) Chlorofluorohydrocarbons
13
...
Aromatic sulphonic acids are important compounds for producing :
(A) Soaps
(B) Rubber
(C) Nylons
(D) Detergents
15
...
The compound which cannot undergo dehydrohalogenation is :
(A) Methyl bromide
(B) n-Butyl Chloride
(C) Ethyl iodide
(D) Isopropyl bromide
17
...
Which of the following does not undergo Cannizzaro reaction ?
(A) Acetaldehyde
(B) Formaldehyde
(C) Trichloroacetaldehyde
(D) Benzaldehyde
19
...
Which one is an electrophile ?
(A) AlCl3
(B) C2H5NH2
(C) CN
¯
(D) C2H5OH
–
21
...
The planar geometry is exhibited by :
–
(A) ClO4
(B) CO 32–
(C) NI3
(D) PF 5
23
...
The values of n and m for the spectral lines to be observed in the visible region in the relationship
1 
1
υ = R  2 – 2  , correspond to :
m 
n

25
...


27
...


29
...


31
...


33
...


35
...

(B) n = 1; m = 3, 4, 5
...

(D) n = 2; m = 4, 5, 6
...
B F3 :
(A) 0
(B) 1
(C) 2
(D) 3
Which element representing the following configuration will have the highest electron affinity ?
(A) [Ne] 3s2 3p3
(B) [Ne] 3s2 3p4
(C) [Ne] 3s2 3p5
(D) [Ne] 3s1
Which of the following electronic configurations will represent an orbital of highest energy ?
(A) n = 3; l = 2; m = +1
(B) n = 4; l = 0; m = 0
(C) n = 3; l = 1; m = +1
(D) n = 4; l = 1; m = +1
The number of nodal planes in the angular wave function of px and dxy orbitals respectively are :
(A) 0, 1
(B) 0, 2
(C) 1, 2
(D) 1, 1
+
When O2 is ionized to form O2 , the electron removed from the M
...
is :
(B) π b
(A) σ b
(C) π *
(D) σ *
What is the oxidation number of S in HS ?
¯
(A) –2
(B) –1
(C) +1
(D) +2

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36
...
The arrangement representing the correct sequence of increasing ionic size is :
–
–
(B) F < O2– < N3–
(A) N3– < O2– < F
–
–
(C) O2– < F < N3–
(D) F < N3– < O2–
38
...
The highest electronegativity is shown by :
(A) Carbon atom in its ground state configuration
(B) Carbon atom in sp3 hybridized state
(C) Carbon atom in sp2 hybridized state
(D) Carbon atom in sp hybridized state
40
...
of
Mn = 25, Co = 27, Ni = 28, Cu = 29 :
(A) MnCl42–
(B) CoCl42–
(C) NiCl42–
(D) CuCl42–
41
...
8L ? Assume that
the person is at 1
...

(A) 0
...
5 mol
(C) 15 mol
(D) 150 mol
42
...

43
...

44
...
2H2O) is 2
...
03 kcal
...
93 kcal
(B) +9
...
93 kcal
(D) –9
...
For a reaction to occur spontaneously at a given temperature and pressure :
(B) ∆ H < T ∆ S
(A) ∆ H > 0 and ∆ S < 0
∆S < 0
(C)
(D) ∆ S > 0
46
...
wt 80) is 80 mg per litre
...
Two moles of NH3 gas are introduced into a previously evacuated 1
...
0 mole of NH3(g) is left
...
75 mole2 litre–2
(B) 1
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50 mole2 litre–2
(D) 1
...
For the forward reaction in the equation H2(g) + F2(g) = 2HF(g), ∆ H = –536 kJ/mol H2 and the energy
of activation = 208 kJ/mol H2
...

(C) At equilibrium, decrease in temperature increases the percentage yield of HF
(D) At equilibrium, an increase in temperature increases the percentage yield of HF
49
...
Which of the four collegative properties is most often used for molecular mass determination ?
(A) Elevation in boiling point
(B) Depression in freezing point
(C) Osmotic pressure
(D) None of these
51
...
86/mole kg–1
...
05 mole of urea dissolved in 250g of water is :
(A) – 0
...
093ºC
(C) – 0
...
0372ºC
52
...
01 molar acetic acid solution at 300 K is 14
...
The degree of
dissociation of acetic acid is :
(A) 5×10–1
(B) 5×10–2
(C) 5×10–3
(D) 5×10–7
53
...
The
standard electromotive εº for this cell at 25ºC is 0
...
The ∆Gº for the cell reaction at 25ºC will be :
(A) –143
...
11 kJmol–1
(C) 1
...
431 kJmol–1

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54
...
059
(B) –0
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0296
(D) –0
...
Which of the following statements concerning activation energy is TRUE ?
(A) The activation energy of a forward reaction can never be smaller than that of a backward reaction
...

(C) Reaction rates increase with temperature because the activation energy decreases at
high temperature
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56
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(D) Order of the reaction cannot be fractional
...
The reaction 2NO(g) + 2H2(g) →N2(g) + 2H2O (g) is first order in H2 and second order in NO
...
Lyophilic sols are :
(A) Irreversible sols
(B) They are prepared from inorganic compounds
(C) Coagulated by adding electrolytes
(D) Self-stabilizing
59
...
The function of emulsifier is :
(A) to increase the rate of reaction
(B) to increase the surface tension between water and oil
(C) to act as a catalyst
(D) to lower the interfacial tension between oil and water
...
For a solution, Freundlich adsorption isotherm is represented as :
(A)

x
= KC 1/n
m

(B)

m
= KC 1/n
x

(C)

x
= KC n
m

(D)

m
= KC n
x

where x is the weight of gas adsorbed by m gms of adsorbent at an equilibrium conc
...

K and n are characteristic constants

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