motherteresawomenuniv.ac.in TNSET Chemical Science Question Paper 2017 Tami Nadu State Eligibility Test : MTWU
University : Mother Teresa Women’s University
Exam : Tami Nadu State Eligibility Test
Document Type : Sample Question Paper
Year : 2017
Subject : Chemical Sciences
Website : http://www.motherteresawomenuniv.ac.in/
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Mother Teresa TNSET Chemical Sciences Question Paper
Chemical Sciences :
Note :
1. Attempt all the questions.
2. Each question carries two (2)marks.
Related : Mother Teresa Women’s University Tamil Nadu State Eligibility Test Common Paper I : www.pdfquestion.in/11650.html
1. The atomic number of Cr and Cu is 24, 29 and its electronic configuration is
1) 3d5 4s1 and 3d104s1
2) 3d4 4s2 and 3d104s1
3) 3d5 4s1 and 3d94s2
4) 3d4 4s2 and 3d94s2
2. The difference in the electronegativity scale between the two atom is 1.9, the nature
of the bond is
1) 75% ionic
2) 50% ionic
3) 25% ionic
4) 100% ionic
3. NaOH and HOCl both contains –OH groups but the former is base while the later is acid in their aquous solution, because
1) Na-O bond is more polar than O-H bond in NaOH
2) –O-H bond is more polar than Na-O bond in NaOH
3) H-O bond in HOCl is less polar
4) –O-Cl bond in HOCl is more polar
4. The oil of Vitriol is
1) FeSO4 7H2O
2) CuSO4 5H2O
3) H2SO4
4) ZnSO4 5H2O
5. Gas which bleaches the colour of the flowers and vegetables by reduction is
1) SO2
2) Cl2
3) H2S
4) Br2
6. A greenish yellow gas reacts with an alkali metal hydroxide to form a halite, which can be used in fireworks and safety matches. The gas and halite respectively are
1) Cl2 , KClO3
2) Br2 , KBrO3
3) I2 , NaIO3
4) Cl2 , NaClO3
7. The element which has only +3 oxidation state is
1) Gd
2) Eu
3) Tb
4) Tm
8. The hybridisation of Copper in [CU(NH3 )4 ]SO4 is
1) Sp3d2
2) Sp3
3) Sp2
4) dSp2
9. The hexadentate ligand is
1) acetyl acetonate
2) 8-hydroxy quinolate
3) ethylene diamine tetraacetate
4) ethylenediamine
10. The separation of lanthanides in ion exchange method is based on
1) Size of hydrated ions
2) Size of unhydrated ions
3) Basicity of hydroxides
4) Solubility of their nitrates
11. Which of the following is not considered as an organometallic compound?
1) Ferrocene
2) Cis-platin
3) Zeisel’s salt
4) Grignard reagent
12. The equilibrium constants for the formation of 2?
Ni (en)3 is 1010 fold greater than the equilibrium constant for the formation of 26
Ni (NH3 ) . The primary explanation for the large difference is
1) John teller effect
2) Chelate effect
3) Crystal field effect
4) Ammonalysis effect
13. Gel permeation chromatography can be used to separate
1) Lanthanides
2) Alkaline earths
3) Alkali metals
4) Low molecular weight peptide
14. The size of the hole in the centre of the porphyrin ring system is ideal for accommodating
1) 1st transition series
2) 2nd transition series
3) 3rd transition series
4) Alkaline earth metal
15. If by mistake some radioactive substance gets into human body, then from the point of view of radiation damage, the most harmful will be one that emits
1) Gamma rays
2) Neutrons
3) X rays
4) Y rays
16. For an Eigen function ? ikx of linear momentum operator x P ˆ , the Eigen value is
1) ik
2) i
3) ih
4) kh
17. Eclipsed form of ruthenacene is
1) D5h
2) C5v
3) D2h
4) S5
20. Which of the following does not contain C3 axis?
1) POCl3
2) NH4
3) H3O
4) ClF3
21. The temperature (T) dependence of the equilibrium constant (K) of a chemical reaction is correctly described by the following statement
1) For an endothermic reaction the slope of lnk vs 1/T plot is positive
2) For an endothermic reaction k- T
3) For an endothermic reaction k + T
4) If H is independent of temperature, the change in k with T is smaller at lower temperature
23. Standard solution of KNO3 is used to make salt bridge because
1) Velocity of K is greater than of NO3
2) Velocity of NO3 is greater than of K+
3) Velocity of both K+ and NO3 are nearly same
4) KNO3 is highly soluble in water
24. In an electrolytic cell, the flow of electron is from
1) cathode to anode solution
2) cathode to anode through external supply
3) cathode to anode through internal supply
4) anode to cathode through internal supply
25. The reduction potentials of Cu2? /Cu and Ag?/Ag electrodes are 0.34 V and 0.80 V respectively. For what concentration of Ag+ ions will the EMF of the cell at 25C is zero. Given that the concentration of Cu2? is 0.01 M
1) 1.65 * 10–9 M
2) 11.45 * 10–9 M
3) 2.34 * 10–7 M
4) 4.22 * 10–7 M