Download Important Questions with Answer M.Sc. (Chemistry) Entrance test, 2017
This paper is held on 08-06-2017. This paper is conduct by Himachal Pradesh University Shimla. This paper is only 100 questions.
Physical Chemistry – 33 Marks.
Inorganic Chemistry – 34 Marks
Physical Chemistry – 33 Marks
Download M.Sc. (Chemistry) Entrance Test, 2017
Ques:- Which one of the following is correct ?
Ans:- Ionization energy is a positive quantity and its value is numerically equal to the excited state energy.
Ques:- Which one of the following establishes the wave character of electron ?
Ans:- Diffraction
Ques:- Which of the following pairs of elements possesses hexagonal close-packed structure ?
Ans:- Ag, Al
Ques:- Which one of the following is not correct ?
Ans:- Hydrides of Group 1V elements become stronger reducing agent down the group.
Ques:- Which one of the following is correct in respect of Group 1V elements ?
- CH4 is kinetically stable for its reaction with oxygen
- The +2 oxidation state becomes more stable relative to +4 down the group.
- SSilane is not kinetically stable in the presence of oxygen
Ans:- All the above
Ques:- The order of decreasing power of halogens as oxidising agents is
Ans:- F2 > CL2 > Br2 >I2
Ques:- Milk of magnesia, Mg(OH)2 Is used medicinally as
Ans:- Anti-acid
Ques:- Which of the following is acidic in its properties ?
Ans:- B2O3, B(OH)3, H3PO4
Ques:- Which of the following order corresponding to the given property is not correct ?
Ans:- NH3>PH3>AsH3>SbH3 Reducing character
Ques:- Identify the correct order of solubility in non-polar solvent
Ans:- LiCL>NaCL>KCL
Ques:- The hyberdization in XeF4 AND XeF2 respectively are
Ans:- sp3d2, sp3d
Ques:- The pH at the end point for indicator phenolphthalein is
Ans:- 7
Ques:- Aqueous solution of TiCL3 exposed to white light appears purple or violet because
Ans:-It absorbs photons of red light but transmits those of red and green light.
Ques:- The coordination number of thorium in K4[tH(oxalate].4H2O Is
Ans:- 8
Ques:- Ziegler-Natta catalyst is organometallic compound of metal
Ans:- Titanium.
Ques:- The Ca2+ EDTA complex reaches to its completion at Ph
Ans:- 10
Ques:- Square-planner complexes are not formed by the metal ion
Ans:- Zn2+
Ques:- How many coloured isomers have been isolated with CrCL3 (H2O)6 ?
Ans:- 3
Ques:- Which of the following is identified as molecular (covalent) halide ?
Ans:- PbCL4
Ques:- Parahydrogen differs from normal hydrogen in physical property
Ans:- Vapour pressure, Boiling point, Specific heat
Ques:- The first organometallic compound often referred as Zeise’s salt is
Ans:- K[Pt(C2H4)CL3}H2O
Ques:- Ionic character of the metal-carbon bond decreases in the order
Ans:- (CH3)2Hg > (CH3)2Cd > (CH3)2Zn > (CH3)2Mg
Ques:- By referring to the concepts of hard and soft acids and bases, which of the following is not correct ?
Ans:- Hard acids have higher radius-to-charge ratios.
Ques:- Which of the following can be classified as pscudohalogen ?
Ans:- CN, N3, ONC
Ques:- Calcium found in bones and teeth in the form of inorganic salt held in a framework of proteins is.
Ans:- Fluorapatite, Chlorapatite, Dahillite
Ques:- Silicones are
Ans:- Compounds obtained by hydrolysis of organochloro silancs
Ques:- Magnetic moment of Co3+ in octahcdral complex with weak field ligands is
Ans:- 4.9 BM
Ques:- SO2 (I) can be used as non-aqucous solvent to solubilise
Ans:- Both organic and inorganic covalent compounds
Ques:- Which of the following is pesticide ?
Ans:- Benzene hexachloride, Aldrin, Chloropicrin
Ques:- Which one of the following is strongest base ?
Ans:- CH3CH2CH2NH2
Ques:- Which one of the following is not isomeric with diethylether ?
Ans:- Butanon
Ques:- Which of the hybridized carbon atoms are present in 1,2-butadiene ?
Ans:- sp,sp2 and sp3
Ques:- Number of isomers of c6h14 are
Ans:- 5
Ques:- Correct order of the stability of alkenes is
Ans:- 2,3-Dimethyl-2-butene>2-methy-2-pentene>2-hexene
Ques:- Acetylene add on the halogen acids in their order of reactivity
Ans:- HI>HBr>HCL>HF
Ques:- What is not correct with respect to Friedel-Crafts reaction ?
Ans:- For a given alkyl group, the order is : RF < RCI < RBr <Rl.
Ques:- Which of the methods is used with pertinent chemicals for synthesis of alcohols from alkenes ?
Ans:- Hydration, Hydroboration, Oxymercuration-demercuration
Ques:- Which of the following would not give a positive iodoform test ?
Ans:- 2-butanol
Ques:- Which of the following is also known as oil of bitter almonds ?
Ans:- Benzaldehyde
Ques:- The introduction of diazonium group to aromatic ring means rendering aromatic ring susceptible to
Ans:- Electrophilic substitution
Ques:- Which of the following is not correct ?
Ans:- All chiral objects need not be asymmetric.
Ques:- Put the following in their order of increasing reactivity towards nitration
Ans:- Pyridine < Quinoline-N-oxide <Quinoline
Ques:- Which test is used for the detection of reducing sugar ?
Ans:- Benedict’s test
Ques:- Which of the following is not correct ?
Ans:- Electrophilic substitution of pyridine is similar to nitrobenzene
Ques:- The number of isometic ethers of C5H12O are
Ans:- 6
Ques:- What is the hybridization state of an allene system ?
Ans:- sp2, sp
Ques:- Which of the following CH3 protons come to resonance at lowest value ?
Ans:- CH3I
Ques:- 1,2-dibromocyclopropane has stereoisomers
Ans:- 3
Ques:- Number of signals the H-NMR spectrum produces for ethanol (CH3CHO) molecule are
Ans:- 2
Ques:- At what temperature (in degree) will be the root mean square velocity of hydrogen be double of its value at NTP ?
Ans:- 819 degree centigrade
Ques:- Which of the following is most widely used supercritical fluids ?
Ans:- CO2
Ques:- Which of the following is not correct with respect to liquid crystals ?
Ans:- They commonly consist of aromatic rings, and multiple bonds between carbon and nitrogen or oxygen.
Ques:- Which of the following electrolytes bring about the coagulation of As2S3 sol in the least concentration ?
Ans:- AIPO4
Ques:- Which of the following is emulsifying agent ?
Ans:- Glycerine
Ques:- In a 2nd order reaction initial concentration of the reactant is increased by two times, the half-life period will
Ans:- Decrease by four times.
Ques:- Which of the following is not extensive property ?
Ans:- Chemical potential.
Ques:- The internal energy of an ideal gas depends on
Ans:- Temperature, Pressure, Volume
Ques:- At temperature of inversion, Joul-Thomson effect is
Ans:- 0
Ques:- An ideal heat engine operates between 250 K and 500 K.The efficiency of the engine in
Ans:- 50%
Ques:- Which of the following is the characteristic of adiabatic process ?
Ans:- Q =0
Ques:- One ampere of current is passed for 5 minutes through a solution of AgNO3, The amount of Ag produced is
Ans:- 0.3 g
Ques:- To prepare 50 g of 10% aqueous solution of NaCL the amount of NaCL required is
Ans:- 5 g
Ques:- Solutions having same osmotic pressure are called
Ans:- Isotonic
Ques:- Which of the following is not correct ?
Ans:- Energy of the photoelectron is independent of the frequency of the incident light
Ques:- Which of the following diatomic molecules will not show pure rotational spectrum ?
Ans:- N2
Ques:- Non-radiative transitions between the states of same spin angular momentum are called
Ans:- Intersystem crossing
Ques:- Which of the following is not correct with respect of micelle formation of ionic surfactant in aqueous solution ?
Ans:- It takes place below the Kraft temperature.
Ques:- Normality of 30 volume h2o2 is
Ans:- 5.4
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