TS SET 2012: Paper II, Chemical Sciences
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Test Paper : II Test Booklet Serial No. : ______________________
OMR Sheet No. : ________________________________
Test Subject : CHEMICAL SCIENCES
Hall Ticket No.
Test Subject Code : A-02-02
(Figures as per admission card)
Name & Signature of Invigilator
Name : ____________________________________ Signature : ___________________________________
Paper : II
Subject : CHEMICAL SCIENCES
Time : 1 Hour 15 Minutes Maximum Marks : 100
Number of Pages in this Booklet : 16 Number of Questions in this Booklet : 50
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II 1 A-02-02
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CHEMICAL SCIENCES
Paper – II
1. The correct increasing order of second 3. Condensation of water vapour is
accompanied by
ionization energy of elements X, Y, Z with
(A) a decrease in entropy
respective atomic numbers 19, 20, 38 is
(B) an increase in entropy
(A) X, Y, Z
(C) no change in entropy
(B) X, Z, Y
(D) either increase or decrease in entropy
(C) Z, Y, X
4. The characteristic feature of an
(D) Z, X, Y electroactive ion among the following in
normal voltammetry is
2. Nicotine molecule is composed of
(A) Residual current
I. Pyridine
(B) Diffusion current
II. Furan (C) Summit potential
III. Pyrrolidine (D) Half-wave potential
IV. Pyrimidine 5. The reaction
NH3 (l)
3 NH4I + BiN ⎯⎯ ⎯⎯→ BiI 3 + 4 NH 3
The correct statement is
belongs to which type ?
(A) I and II
(A) Complex formation
(B) I and III
(B) Redox
(C) II and IV (C) Solvolysis
(D) I and IV (D) Acid-base
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6. Non-aromatic species among the 7. The number average ( Mn ) and weight
following average (Mw ) molar masses of
monodisperse and polydisperse
CH3 polymers are as follows
I)
(A) Mn = Mw and Mn = Mw
(B) Mn = Mw and Mw > Mn
SO3H
(C) Mn > Mw and Mw > Mn
II)
(D) Mw > Mn and Mn = Mw
8. The distance dependence of potential
energy in ion-ion type interaction is
III)
(A) 1 2
r
(B) 1 3
r
(C) 1r
IV)
(D) 1 6
r
The correct combination is
9. The most stable among the following is
(A) I and IV (A) LiF
(B) III and IV (B) LiI
(C) HgF2
(C) II and III
(D) I and III (D) BeI2
II 4 A-02-02
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10. The ions with paramagnetic character 13. The Miller indices of a cubic crystal plane
among the following are 1
which intercepts the x, y and z axes at a,
2
+
I. Na 2 and
b ∝c are
3
II. Fe3+
(A) 1 2 ∝
III. VO2+
IV. Sc3+ (B) 4 3 0
(A) I, II (C) 2 3 0
(B) II, III
(D) 2 3 ∝
(C) III, IV
(D) II, IV 14. The increase in the molar conductance of
KNO3 with increase in the dilution of its
11. Retinol is
aqueous solution is due to the
(A) enzyme
(B) hormone (A) increase in the speed of the solvent
(C) vitamin molecules
(D) provitamin
(B) increase in the transport numbers of
12. Toluene in proton decoupled 13C NMR K+ and NO −3 ions
spectrum gives +
(C) increase in the velocities of K and
(A) 5 signals
NO −3 ions
(B) 4 signals
(D) increase in the number of K+ and NO 3−
(C) 3 signals
ions
(D) 6 signals
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17. Match the following :
15. Gas liquid chromatography is used for the
separation of compounds that have/are
I. Low vapour pressure
I. 1. 1,1-Dimethyl-3-
II. High vapour pressure isopropyl
cyclopentane
III. Stable at high temperatures
IV. Unstable at high temperatures
(A) I, III II. 2. 1-Cyclobutyl-3-
ethylcyclo-hexane
(B) II, III
(C) I, IV
(D) II, IV III. 3. 1,1,2,3- Tetramethyl-
cyclobutane
16. Assertion (A) : HF is the strongest acid in
water among HF, HCl,
HBr and HI
IV. 4. 3-cyclopropyl-2-
methyl-heptane
Reason (R) : HF has the largest
electronegativity 5. 1-cyclobutyl-3,4-
dimethyl
difference among all cyclopentane
(A) Both A and R are true and R is the
I II III IV
correct explanation of A
(B) Both A and R are true, but R is not the (A) 1 3 2 4
correct explanation of A (B) 4 1 2 3
(C) A is true, but R is false (C) 5 2 3 4
(D) A is false, but R is true (D) 4 5 1 2
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18. D-Erythrose on oxidation gives 21. Assertion (A) : A liquid can be used as
the stationary phase
(A) (+) – tartaric acid in a chromatography
technique.
(B) (± ) – tartaric acid Reason (R) : A liquid has the property
of moving.
(C) meso-tartaric acid (A) Both A and R are true and R is the
correct explanation of A
(D) (–) – tartaric acid (B) Both A and R are true, but R is not the
correct explanation of A
19. ___________ radiation is used to record (C) A is true, but R is false
(D) A is false, but R is true
the ESR spectrum of a radical.
22. In the reaction
(A) Ultraviolet
O
(B) Infrared SeO
⎯⎯ ⎯⎯2
→x
(C) Microwave
X is
(D) Radio frequency
O
(A)
20. The difference in molar heat capacities O
(Cp – Cv) of any gas is equal to
O
∂E ⎞
(A) P⎛⎜ ⎟ (B)
⎝ ∂V ⎠P
O
∂E ⎞
(B) V ⎛⎜ ⎟
⎝ ∂P ⎠ V
⎛ ∂V ⎞ (C)
(C) P ⎜ ⎟
⎝ ∂T ⎠P
⎛ ∂V ⎞ O
(D) T ⎜ ⎟
⎝ ∂P ⎠ T
(D)
O
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25. Name the reaction :
23. Which of the following molecules do not
have IR active vibrations ? CN
OH
R − CHO + R′3N + CN
(A) H or
2 R
R′3′P
(B) NO
+ R ′3 N o r R ′3′ P
(C) N2O
(A) Baylis-Hillman Reaction
(D) CH4
(B) Baylis Reaction
(C) Morita-Baylis-Hillman Reaction
24. Assertion (A): A quarter Faraday of
(D) Hillman Reaction
electricity passed through
an aqueous solution of 26. The value of the Planck’s constant is
AlCl3 solution produces (A) 6.626 × 10−34 JS
1
× At.wt. of Al. (B) 6.626 × 10−27 JS
12
(C) 1.380 × 10−23 JK −1
Reason (R) : One Faraday of electricity
(D) 9.109 × 10−31 Kg
passed through a solution
of an ion produces one 27. Assertion (A) :SOCl2 in liquid SO2 is an
acid
equivalent weight of that
ion. Reason (R) : Liquid SO2 autoionises to
give SO2+ and SO23−
(A) Both A and R are true and R is the
(A) Both A and R are true and R is the
correct explanation of A
correct explanation of A
(B) Both A and R are true, but R is not the
(B) Both A and R are true, but R is not the
correct explanation of A correct explanation of A
(C) A is true, but R is false (C) A is true, but R is false
(D) A is false, but R is true (D) A is false, but R is true
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Δ
28. Identify the photo product : 30. Mn2P2O 7 (s) ⎯⎯→ Mn2P2O 7 (l ) is
characterized by
I. No weight loss in TGA
hυ
⎯⎯ hυ
→ [ X] ⎯⎯ →[Y ] ⎯⎯→ Photo
Pr oduct
II. Weight loss in TGA
(A) Phenanthrene III. Exothermic peak in DTA
IV. Endothermic peak in DTA
(B) Naphthalene (A) I, III
(B) II, III
(C) Anthracene (C) I, IV
(D) II, IV
(D) Phenylnaphthalene
31. Match the following :
I. Furyl acrylic acid 1. Skraup
29. If an arbitrary wave function is used to from furfural synthesis
II. 8-quinolinol from 2. Perkin reaction
calculate the energy of a quantum
0-amino phenol
mechanical system the calculated energy III. Indole-3- 3. Bischler-
carboxaldehyde Napieralski
is never less than the true energy of the reaction
IV. 1-Methyl Iso- 4. Reimer-Tieman
system. This statement is quinoline from reaction
β -phenyl ethyl
amine 5. Grignard
(A) Heisenberg uncertainty principle reaction
(B) Perturbation theory
I II III IV
(A) 1 3 5 2
(C) Law of conservation of energy
(B) 4 2 1 5
(C) 2 1 4 3
(D) Variation principle
(D) 2 3 1 4
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32. A hypothetical molecule has a 35. Arrange the given molecules with the
increasing absorption maxima
configuration 1σg2 1σu2 2σg2 1πu4 1π4g 2σu2
What is its bond order ?
COOR
(A) 1
1
(B) 2
(C) 0
(D) 1.5 H3C
N
H3C COOR
33. The selection rules for the appearance of
2
Q branch in the rotational-vibrational
spectrum of a diatomic molecule are
(A) Δv = +1, ΔJ = 0
(B) Δv = +1, ΔJ = + 1 MeO
COOR
(C) Δv = −1, ΔJ = − 1
(D) Δv = −1, ΔJ = 0 3
34. Identify the symmetry element present in
N
COOR
N
4
N
(A) 1 ; 3 ; 2 ; 4
(B) 2 ; 3 ; 1 ; 4
(A) C3V
(B) D3H (C) 4 ; 3 ; 2 ; 1
(C) C2V
(D) C3H
(D) 3 ; 4 ; 1 ; 2
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38. Identify the following as ‘‘R’’ or ‘‘S’’
36. The crystal field stabilization energy
values of [Fe(CN)6 ] 3− and [CoF6 ] 3− CN CHO
CH3
considering pairing energy (PE) are H CH2 Cl H3C C ≡ CH H2N H
respectively CH(CH3)2 CH2 − OH COOH
I. − 2.0 Δo + 2 PE
(A) R ; R ; S ;
II. − 0.4 Δo
(B) S ; S ; S ;
III. 0 (zero) (C) S ; R ; R ;
(D) S ; R ; S ;
IV. − 2.4 Δo + 2 PE
39. Match the following :
(A) I, II (B) II, III
List – I List – II
(C) III, IV (D) II, IV
(Phenomenon) (Related
technique)
37. Assertion (A) :The pH of pure water at I. Koopman’s rule 1. Raman
80°C is less than 7.0. spectroscopy
II. Polarizability 2. Photoelectron
Reason (R) : The ionic product of water spectroscopy
III. Spin-spin 3. Mossbauer
increases with increase in
coupling spectroscopy
temperature. IV. Dipole moment 4. NMR
spectroscopy
(A) A is false and R is true
5) Infrared
(B) A is true and R is false spectroscopy
I II III IV
(C) Both A and R are true and R is the
(A) 2 5 4 1
correct explanation of A
(B) 2 1 4 5
(D) Both A and R are true but R is not the (C) 3 1 4 5
correct explanation of A (D) 3 5 4 1
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40. In the following reaction 42. In the reaction
H3C CH3
i. Sanger reagent
H
O Δ [X ]
⎯⎯→ Ala–Gly-Phe ⎯ii⎯ ⎯ ⎯ ⎯ ⎯ ⎯⎯→ [ X]
. hydrolysis
H
S
O
the major product [X] is
the major product [X] is
(A) E, E – 2, 4-hexadiene
(B) Z, E – 2, 4-hexadiene
CH3
(C) Z, Z – 2, 4-hexadiene
O2N NH CH CO2H
(A)
(D) E, Z – 2, 4-hexadiene
NO2
41. Match the following :
List – I List – II
(Process) (Catalyst used)
(B) O2N NH CH2 CO2H
I. Hydroformylation 1. Rh(Ph3P)3Cl
NO2
II. Monsanto 2. Co2(CO)8
acetic acid
process
III. Hydrogenation 3. [Rh(CO)2 I2 ]− C) O2N NH CH CO2H
CH2
IV. Wacker process 4. ZSM – 5 NO2
C6H5
5. [PdCl4 ]
2−
I II III IV
(D) H2N − CH − CO 2H
(A) 2 1 3 5 |
CH3
(B) 2 3 1 5
(C) 3 5 1 4
(D) 4 3 1 5
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43. Match the following 45. Match the following :
List – I List – II
List – I List – II
I. Identify operation (Ion) (Number of
of doing nothing 1. Cn unpaired electrons)
II. n-fold rotation 2. E
I. Fe 2 + 1. 0
III. Reflection in a 3. i
mirror plane
IV. Inversion 4. σ II. Cr3+ 2. 2
through a centre
+
of symmetry 5. S III. Cu 3. 3
n
I II III IV
(A) 1 2 3 4 IV. Ni2+ 4. 4
(B) 2 1 4 3
(C) 1 2 4 5 5. 6
(D) 5 1 2 4
44. For the following reactions I II III IV
N2(g) + 3H2(g) 2NH3(g)
(A) 5 4 2 1
1 3
N2 (g) + H2 (g) NH3(g)
2 2
the equilibrium constants KP1 and K P2 are (B) 4 3 2 1
related as
(A) K P1 = 2K P2
(C) 4 3 1 2
1
(B) KP = K P
1
2 2
(C) K P1 = K 2P2
(D) 5 3 1 2
( )
(D) K P1 = KP2
1
2
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46. Anti inflammatory activity is exhibited by 49. Which of the following statements is
(A) ibuprofen wrong ?
(B) chloroequin (A) Nanomaterials show the same
(C) isoniazid properties as those exhibited by bulk
materials
(D) metronidazole
(B) Nanomaterials are prepared by either
47. The conversion of toluene to benzoic acid
top down or bottom up approaches
is faster in presence of
(C) Texture of nanomaterials is studied by
(A) Thermal energy
SEM / TEM
(B) Sonication
(D) Phase identification of nanomaterials
(C) Cooling
is done by XRD
(D) MW irradiation
50. The pollutant responsible for Bhopal
48. Salbutamol is useful in the treatment of disaster in 1984 is
(A) hypertension (A) Phosgene
(B) amoebiasis (B) Methylamine
(C) tuberculosis (C) Methyl isocyanate
(D) bronchial asthama (D) Carbon monoxide
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Source: Telangana State Eligibility Test. Question paper published by Telangana State Eligibility Test.