| Post Name | HIGHER SECONDARY SCHOOL TEACHER -CHEMISTRY JUNIOR - HSST CHEMISTRY-SR- -HIGHER SECONDARY SCHOOL EDUCATION |
|---|---|
| Question Paper Code | 033/2018 |
| Date of Test | 26 February 2018 |
| Medium of Question | English |
| Exam Type | OMR Examination |
| Total Questions | 96 |
1
The approximate ratio of the peaks at m/z values 98, 100 and 102 in the mass spectrum of 1, 2 - dichloroethane will be
Answer
B. 9:6:1
2
The Bonding in metal carbonyls can be identified using
Answer
B. IR spectroscopy
3
Magnetic moment of (Co(H2O)6)2+ is approximately
Answer
C. 3.9 BM
5
Angle between (110) and (100) planes in a simple cubic crystal lattice is equal to
Answer
C. 45
6
Number of protons in the shielded zone of 18 - annulene is
Answer
A. 6
7
Silicates with continuous 3D framework
Answer
C. Tecto silicates
8
Packing fraction of a hcp lattice is close to
Answer
A. 0.74
9
Effective number of Zn and S2− ions in ZnS crystal are
Answer
B. 4, 4
10
Absorbance of a solution whose transmittance is 50% is
Answer
B. 0.301
11
Indicator used in the Mohrs method is
Answer
D. Chromate
12
Number of bridging carbonyls in Ir4(CO)12 at low temp. is
Answer
D. 0
13
Term symbol for B is
Answer
B. 2P
14
) x , dx ) =
Answer
A. −1
15
Complexes formed by the lanthanides with hindered β-diketonates can be separated by
Answer
B. Gas chromatography
16
Structure of (C2B9H12)− is
Answer
C. Nido
17
Ground state term symbol of Co in (CoF6)3− is
Answer
D. 5D
18
Rate of an enzyme catalysed reaction is 0.02 mol/dm3 and the rate is halved when the concentration of substrate is 20 mg/dm 3. The ratio K 1/K −1 will be .......... assuming K2 >> K−1
Answer
D. 0.05 dm3/mg
19
Jmax for a rigid diatomic molecule with rotational constant 1.566 cm−1 at 300 K is
Answer
A. 8
20
Temperature effect of schottky defect is given by
Answer
D. e−E/2KT
21
The degeneracy of the energy level of a particle in cubic box with quantum numbers nx=3, ny=2, nz=1
Answer
A. 6
22
Rotational entropy is maximum for
Answer
C. Cl2
23
No. of ways in which four indistinguishable particles may be assigned to three states having Energy 1, 2 and 3 such that total energy remains 10 units is
Answer
B. 10
24
Value of ∆G for adsorption __________ with increase in temperature
Answer
A. Becomes more positive starting from a negative value
25
Catalyst used in Wackers process
Answer
D. (PdCl4)2−
26
Co-catalyst used in Wackers process
Answer
B. Cu
27
Which of the following thermal sigmatropic rearrangement is impossible ?
Answer
C. (1, 3)H
28
Example for a nidoborane is
Answer
B. B5H9
29
C-H stretching vibration of acetylene occurs at around
Answer
D. 3400 cm−1
30
The activation energy for disappearance of A for the following reaction is : K 1E1 + K 2 E 2 K 1E 2 + K 2 E1
Answer
A. K1 + K 2
31
Hot bands in IR spectrum is a consequence of which of the following transitions ?
Answer
B. v=1 → v=2
32
The mass spectrum of an alkyl halide showed M and M+2 peaks in the intensity ratio 1 : 1. The compound is
Answer
B. alkyl bromide
33
The number of peaks expected in the proton decoupled CMR spectrum of toluene is
Answer
C. 5
34
The density of an FCC crystal (0.2 kg of the element contains 24×1023 atoms) with unit cell parameter 2 A8 is
Answer
B. 4.17×10 4 kg/ms
35
Rotational partition function for H2 at 08C is approximately
Answer
C. 1.5
37
Determination of CFSE of transition metal complexes can be done using __________ spectroscopy
Answer
A. Electronic
38
The vapour phase irradiation of trans 1, 2 - dimethyl cyclohexanone will give
Answer
D. Mixture of
39
Photochemical isomerisation of trans stilbene to cis isomer can be effected in presence of
Answer
A. (C6H5)2C=O
40
When aqueous solvents are to be used in IR spectroscopy, sample and reference cells are made of
Answer
B. CaF 2
41
Natural rubber can be distinguished from butyl rubber by an IR spectral peak around
Answer
B. 1600 cm−1
42
Enantioselective epoxidation of allylic alcohols can be achieved by
Answer
C. Ti-isopropoxide diethyl tartarate
43
The shape of ClF2 is
Answer
A. Angular
44
The residual entropy associated with a crystal with 6 possible orientations will be nearly
Answer
C. 15
45
The point group of 1, 1-difluoroethylene is
Answer
C. C 2v
46
For the reaction A→ B → C, where k1=5×106 s−1 and k2=3×106 s−1, time at which (B) is maximum is
Answer
A. 2.6×10−7 s
47
The number of radial nodes for 4s orbital of hydrogen atom is
Answer
C. 3
48
The number of metal-metal bonds in Ir4(CO)12 and Fe3(CO)12 are respectively
Answer
A. 6, 3
49
The magnetic moment of a six co-ordinate transition metal complex is approximately 6 BM. Identify the complex if it is both ESR and Mossbauer active
Answer
B. (Fe(H2O)6)3+
50
Lability of the ions, Cr2+, V2+, Mn2+ follow the order
Answer
B. Mn2+ > Cr2+ > V2+
51
The normalization constant of the equation, Φm(ϕ)=Bmeimϕ is
Answer
C. 1/√2π
52
The CFSE of (Ti(H2O)6)3+ having a λmax 492 nm is
Answer
A. 8130
53
The structures in which n and (n−1) corners of n-cornered polyhedrons are occupied are respectively
Answer
A. closo and nido
54
The conversion of vinyl cyclopropane to cyclopentene upon heating is an example of __________ sigmatropic rearrangement
Answer
C. (1, 3)
55
Minimum intensity of absorption in the UV-visible region will be shown by
Answer
C. (Mn(H2O)6)2+
56
Expected number of lines in the ESR spectrum of benzene radical anion is
Answer
C. 7
57
Depolarisation by hydrogen ions can be prevented by use of
Answer
D. All of the above
58
Current observed in the absence of an electroactive species is termed
Answer
A. Residual current
59
The decadic absorbance of a solution at a wavelength 200 nm is recorded as 1.08. Given the values of molar extinction co-efficient and path length to be 629 m2/mol and 0.00121 m, the concentration of the solution is
Answer
C. 0.00142 M
60
The configuration of the compound is
Answer
C. 2S, 3S
62
Ground state energy for an electron confined to a potential well of width 0.4 nm is
Answer
A. 226.7 kJ/mol
64
The symmetry elements of chair form of cyclohexane are
Answer
B. E, C2, C3, σd
65
Which among the following are allowed transitions ?
Answer
D. all of these
66
Which among the following is Mossbauer inactive ?
Answer
Question Cancelled
67
The nuclear partition function of ortho deuterium molecule is
Answer
C. 6
68
The shape of (TeF5)− ion based on VSEPR theory is
Answer
B. Square pyramidal
69
According to the transition state theory, the rate constant of a reaction __________ with pressure when ∆V* is negative
Answer
B. Increases
70
The hybridization in Zeise’s salt is
Answer
A. dsp2
71
“It is always better to begin with the children see, feel and experiment, than arguing and generating”. To which maxim of teaching this statement is related ?
Answer
A. Empirical to Rational
72
Which of the following assessment technique is most appropriate for assessing creative thinking in students ?
Answer
B. Open ended questions
73
Jigsaw method is a form of
Answer
B. Co-operative Learning
74
Which is an example for reflective teaching practise ?
Answer
A. Changing presentation style after a feedback session
75
According to Benjamin S. Bloom, the category which develops the creative ability of students is
Answer
D. Synthesis 10 A
76
Ex Post Facto research means
Answer
A. The research is carried out after the incident
77
Research ethics do not include
Answer
B. Subjectivity
78
Which is the main purpose of research in education ?
Answer
C. To help the individual to become an eminent educationalist
79
When 2 or more successive footnotes refer to the same work, which one of the following expressions is used ?
Answer
A. ibid
80
Conferences are meant for
Answer
D. All of the above
81
Under Art : 321 of the Constitution of India, the power to extend functions of the Union Public Service Commission has been vested in the
Answer
C. Parliament
82
Consider the following statements
Answer
D. (a)
83
Salient feature of Indian Constitution have been borrowed from various sources. Which of the following is wrongly matched ?
Answer
D. Bicameralism and relation - Canadian Constitution between executive and legislature
84
Which of the following are correctly matched ?
Answer
D. Twelfth Schedule - Added by 74th Amendment Act Codes
85
Under Indian Constitution which is not a ground on which the state can place restriction on freedom of religion ?
Answer
D. Economic justice
86
What is the time span mentioned in the RTI Act, 2005 for making orders, for removing difficulties in giving effect to the provisions of the RTI Act, 2005 ?
Answer
B. 2 years from the commencement of the Act
87
Under protection of Women from Domestic Violence Act, 2005, who will present application to magistrate ?
Answer
D. Either
88
Protection of Children from Sexual Offences Act, 2012 came into effect from
Answer
A. November 14th 2012
89
Who can apply to court for injunction under Sec : 22 A of Air (Prevention and Control of Pollution) Act, 1981 ?
Answer
A. Pollution Control Board
90
Which of the following statement is false ?
Answer
D. A person between the age of 18 - 65 years can donate blood
91
The Nampoothiri woman who is nominated to the Cochin Legislative assembly to render advice on the Nampoothiri bill
Answer
C. Arya Pallem
92
Who among the following poets is known as RASHTRAKAVI ?
Answer
C. M. Govinda Pai
93
Purogamana Sahitya Samiti (Progressive Writers Association) was founded in the year
Answer
Question Cancelled
94
Which of the following townships has a college named after Velu Thampi Dalawa ?
Answer
B. Dhanuvechapuram
95
Patriotic poem “Varika Varika Sahachare” is written by
Answer
A. Amsi Narayana Pillai
96
The Newspaper “Samadarsi” started in 1923 was founded by
Answer
Question Cancelled
97
Sarvodaya leader M.P. Manmadhan is associated with
Answer
B. Prohibition Movement
98
Kerala Provincial Congress Committee came into existence in
Answer
D. 1921
99
“Hunger March” of 1936 from Kannur to Chennai was led by
Answer
D. A.K. Gopalan
100
The book “Gandhi and Anarchy” is written by
Answer
B. C. Shankaran Nair
Discussion
Ask a doubt or share a tip.
No comments yet — start the discussion.