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question_answer1) Which of the following solutions are isotonic with one another?
A)
0.15 M urea and 0.05 M \[1.22f\]
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B)
0.15M urea and 0.1 M\[f\]
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C)
0.15 M urea and 0.15 M glucose
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D)
0.1\[1.27f\] and 0.05 M \[\text{1}.0\text{1}\times \text{1}{{0}^{\text{5}}}\text{ N}/{{\text{m}}^{\text{2}}}\]
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question_answer2)
Five moles of a gas is put through a series of changes as shown graphically in a cyclic process. The process during \[\text{9}.\text{13}\times \text{1}{{0}^{\text{4}}}\text{ N}/{{\text{m}}^{\text{2}}}\] and \[\text{9}.\text{13}\times \text{1}{{0}^{\text{3}}}\text{N}/{{\text{m}}^{\text{2}}}\] respectively are 
A)
isochoric, isobaric, isothermal
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B)
isobaricJsochoric, isothermal
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C)
isothermal, isobaric, isochoric
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D)
isochoric, isothermal, isobaric
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question_answer3) For the hypothetical reactions, the equilibrium constant (K) values are given \[AB,{{K}_{1}},=2.0\] \[BC,{{K}_{2}}=4.0\] \[CD;{{K}_{3}}=3.0\] The equilibrium constant (K), for the reaction \[9.13\times {{10}^{3}}N/{{m}^{2}}\]is
A)
48
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B)
6
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C)
2.7
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D)
24
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question_answer4) Standard electrode potential of half-cell reactions are given below \[C{{u}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Cu;\]\[{{E}^{o}}=0.34V\] \[Z{{n}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Zn;\]\[{{E}^{o}}=-0.76V\]What is the emf of the cell?
A)
\[\left[ \text{F}{{\text{L}}^{\text{2}}}{{T}^{-\text{2}}} \right]\]
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B)
\[\left[ \text{F}{{\text{L}}^{-\text{1}}}{{\text{T}}^{\text{2}}} \right]\]
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C)
\[\left[ {{\text{F}}^{2}}\text{L}{{\text{T}}^{\text{-2}}} \right]\]
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D)
\[-\text{273}.\text{15}{}^\circ \text{F}\]
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question_answer5) The product of reaction between aniline acetic anhydride is
A)
o-aminoacetophenone
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B)
m-aminoacetophenone
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C)
p-aminoacetophenone
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D)
acetanilide
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question_answer6) Anode reaction of a fuel cell is
A)
\[Zn(Hg)+2O{{H}^{-}}\xrightarrow{{}}ZnO(s)+{{H}_{2}}O+2{{e}^{-}}\]
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B)
\[Pb(s)+SO_{4}^{2-}(aq)\xrightarrow{{}}PbS{{O}_{4}}(s)+2{{e}^{-}}\]
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C)
\[2{{H}_{2}}(g)+4O{{H}^{-}}(aq)\xrightarrow{{}}4{{H}_{2}}O(l)+4{{e}^{-}}\]
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D)
done
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question_answer7) 2.0 g of benzoic acid dissolved in 25.0 g benzene shows a depression in freezing poi equal to 1.62 K. Molal depression constant \[\text{Vc}=\text{1}.\text{5V}\] benzene is\[\text{1}00\text{ }\mu \text{A}\]. The percenta association of the acid is
A)
80%
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B)
99%
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C)
75%
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D)
100% \[1.5\mu \] \[\mu \] Normal molecular weight of \[W\] \[\frac{4W}{3}\]=122 \[\frac{5W}{2}\] \[\frac{\pi }{2}\] \[\sigma =\text{5}.\text{67}\times \text{1}{{0}^{-\text{8}}}\text{W}-{{\text{m}}^{\text{2}}}{{\text{K}}^{\text{-4}}}\] \[2{{C}_{6}}{{H}_{5}}COOH\xrightarrow{{}}{{({{C}_{6}}{{H}_{5}}COOH)}_{2}}\] \[t\] where, \[{{(Kg)}^{1/2}}\] \[{{(Kg)}^{-1/2}}\] \[{{(Kg)}^{2}}\] % association \[{{(Kg)}^{-2}}\] \[\frac{pV}{nT}\]
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question_answer8) The number of chloride ion/s produced complex tetraminedichloroplatinum chloride in a aqueous solution is
A)
four
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B)
two
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C)
one
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D)
three
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question_answer9) When \[\text{15}0\text{ }\mu \text{A}\]is added to phenol
A)
no reaction occurs
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B)
a coloured complex will be formed
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C)
\[\text{5 mA}\]will be oxidised to higher state
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D)
o-chlprophenol will be formed
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question_answer10) \[\text{10 mA}\]on treatment with \[\text{ }\!\!\beta\!\!\text{ }\]in aqueous medium gives
A)
no reaction
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B)
\[\left( \frac{1}{V(volume)} \right)\]
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C)
\[\frac{3}{4}\text{m}/\text{s}\]
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D)
isobutylene
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question_answer11) Conduction in a p-type semiconductor is increased by
A)
increasing the band gap
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B)
decreasing the temperature
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C)
adding appropriate electron deficient impurities
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D)
adding appropriate electron rich impurities
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question_answer12) \[\frac{1}{3}\text{m}/\text{s}\] and freons
A)
are green compounds because they are green coloured
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B)
deplete ozone
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C)
cause increase in ozone concentration
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D)
have no effect on ozone concentration
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question_answer13) Boron is unable to form\[BF_{6}^{3-}\] because of
A)
high electronegativity of boron
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B)
high electronegativity of fluorine
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C)
lack of d-orbitals in boron
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D)
less difference in electronegativity between B and F
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question_answer14) The blue colour obtained in the Lassaigne test is due to formation of the compound !m
A)
\[\frac{2}{3}\text{m}/\text{s}\]
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B)
\[{{\lambda }_{0}},\]
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C)
\[\frac{25}{16}{{\lambda }_{0}}\]
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D)
\[\frac{27}{20}{{\lambda }_{0}}\]
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question_answer15) A radioactive substance decays 20% in 10 min If at the start there are \[\frac{20}{27}{{\lambda }_{0}}\] atoms present after what time will the number of atoms be reduced to \[\frac{16}{25}{{\lambda }_{0}}\] atoms?
A)
5.65 h
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B)
4.65h
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C)
3.65 h
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D)
6.65 h
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question_answer16) \[3\Omega \]of gelatin is required to be added \[4\Omega \]of a standard gold solution to just prevent its precipitation by the addition \[4.5\Omega \]of 10% \[NaCl\] solution to it. Hence, the gold number of gelatin in milligram is
A)
\[5\Omega \]
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B)
\[\frac{\sqrt{3}}{1}\]
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C)
\[\frac{(\sqrt{3}+1)}{(\sqrt{3}-1)}\]
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D)
\[\frac{(\sqrt{3}+1)}{1}\]
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question_answer17) Which of the following are arranged in the decreasing order of dipole moment?
A)
\[\frac{4}{3}\]
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B)
\[4\mu F\]
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C)
\[10\mu F\]
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D)
\[8\mu F\]
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question_answer18) If a saturated solution prepared by dissolving \[120\mu F\]in water has \[\omega \] What is the value of \[R/2\] for\[\frac{4\omega }{5}\]?
A)
\[\frac{2\omega }{5}\]
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B)
\[\frac{3\omega }{5}\]
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C)
\[93.8\times {{10}^{-12}}\]
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D)
\[9.38\times {{10}^{-12}}\]
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question_answer19) Which one of the following molecules is achiral?
A)
1-bromo-2-butene
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B)
3-bromo-l-butene
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C)
2, 3-dihydroxy propanal
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D)
2-hydroxypropanoic acid
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question_answer20)
Consider the parallel reactions in the electrophilic addition of \[\mu =\frac{4}{3}\]to propene \[{{\sin }^{-1}}\left( \frac{9}{8} \right)\] the alternative pathways shown below 
Identify the wrong statement with reference to Bafeabove
A)
Path1 has Predominance of (A) over (B)
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B)
Path-2 has predominance of (B) over (A)
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C)
Path-1 is in accordance with anti Markownikoff's rule
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D)
Both the paths afford 50% yield of (A) and (B)
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question_answer21) The raw materials for the commercial Manufacture of DDT are
A)
chlorobenzene and chloroform
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B)
chlorobenzene and chloromethane
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C)
chlorobenzene and chloral
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D)
chlorobenzene and iodoform
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question_answer22) The gas-phase reaction of nitric oxide and bromine yields nitrosyi bromide, \[2NO(g)+B{{r}_{2}}(g)\xrightarrow{{}}2NOBr(g)\] The rate law is, rate \[{{60}^{o}}\] What is the over all reaction order?
A)
1
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B)
2
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C)
3
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D)
4
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question_answer23) Bakelite is formed by polymerisation between
A)
acrylonitrile molecules
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B)
tetrafluoroethene molecules
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C)
urea and formaldehyde molecules
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D)
phenol and formaldehyde molecules
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question_answer24) Chromatographic analysis is based on. The property of
A)
diffusion
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B)
absorption
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C)
adsorption
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D)
condensation
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question_answer25) Total number of metal atoms per unit cell in a face-centred 'cubic lattice is
A)
14
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B)
8
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C)
6
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D)
4
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question_answer26) The correct order of increasing oxidising power in the series is
A)
\[VO_{2}^{+}<C{{r}_{2}}O_{7}^{2-}<MnO_{4}^{-}\]
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B)
\[\beta =0.\text{1}\]
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C)
\[{{P}_{1}}\]
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D)
\[{{P}_{2}}\]
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question_answer27) Normal human blood sugar range is \[{{P}_{1}}\]Considering density of human blood is 1.06 kg/L, if a patient's sugar level reads 720 ppm, his/her blood sugar at that time is
A)
normal
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B)
high
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C)
low
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D)
cannot say
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question_answer28) Which of the following statements is correct?
A)
The equivalent mass of \[{{P}_{2}}\]in alkaline medium is molar mass divided by five
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B)
The equivalent mass of \[\text{2}\times \text{1}{{0}^{\text{7}}}\text{m}/\text{s}\] in strongly alkaline medium is molar mass divided by three
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C)
The equivalent mass of \[\text{2}\times \text{1}{{0}^{-2}}T\] in neutral medium is molar mass divided by two
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D)
The equivalent mass of \[\left( \frac{e}{m} \right)\]in weakly acidic medium is molar mass divided by three
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question_answer29) The spin only magnetic moment of \[\text{1}.\text{76}\times \text{1}{{0}^{\text{11}}}\text{C}/\text{kg}\](at. no. for Cr is 24) is
A)
0
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B)
1.73BM
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C)
2.83BM
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D)
4.9BM
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question_answer30)
The correct relation between the following pair of compounds is 
A)
constitutional isomers
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B)
enantiomers
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C)
diastereomers
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D)
None of the above
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question_answer31) The effective atomic number for\[2B\](at. no. for Rh is 45) is
A)
42
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B)
45
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C)
48
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D)
54
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question_answer32) The strongest acid among the choices is
A)
dichloroacetic acid
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B)
dimethylacetic acid
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C)
trifluoroacetic acid
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D)
triiodoacetic acid
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question_answer33) The correct order of leaving group ability in a nucleophilic substitution reaction is
A)
\[\frac{B}{4}\]
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B)
\[\frac{B}{2}\]
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C)
\[y=A\sin (Bx+Ct+D)\]
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D)
\[[{{m}^{0}}{{L}^{-1}}{{T}^{0}}]\]
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question_answer34) Glucose and fructose can be distinguished by (a) Lucas test
A)
Ninhydrin test
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B)
Benedict reagent test
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C)
All of the above
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D)
done
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question_answer35) Which is the most stable compound among the following?
A)
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B)
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C)
done
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D)
All the compounds have same stability
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question_answer36) Entropy change in a process where 1 L of liquid He is poured into ice cold water is
A)
finite and positive
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B)
finite and negative
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C)
zero
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D)
infinity
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question_answer37) For an ideal system at thermal equilibrium, the velocity distribution of the constituent particles will be governed by
A)
Gaussian distribution
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B)
Maxwell-goltzmann distribution
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C)
Lorentzian distribution
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D)
Log-normal distribution
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question_answer38) Properties of elements are periodic function of number of...... present in the nucleus.
A)
protons
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B)
electrons
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C)
neutrons
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D)
mesons
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question_answer39)
Certain reactions follow the relation between concentrations of the reactant vs time as 
What is the expected order for such reactions?
A)
0
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B)
1
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C)
2
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D)
Infinity
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question_answer40) Maximum number of electrons in a shell with principal quantum number n is given by
A)
\[[{{m}^{0}}{{L}^{0}}{{T}^{-1}}]\]
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B)
\[[{{m}^{0}}{{L}^{-1}}{{T}^{-2}}]\]
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C)
\[[{{m}^{0}}{{L}^{0}}{{T}^{0}}]\]
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D)
\[1.5\mu \]
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question_answer41) The first step in the extraction of Cu from copper pyrites is
A)
reduction by carbon
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B)
electrolysis of ore
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C)
roasting of ore in\[\mu \]
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D)
magnetic separation
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question_answer42) A first order reaction has a rate constant \[W\]. How long it will take to decompose half of the reaction?
A)
\[\frac{4W}{3}\]
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B)
\[\frac{5W}{2}\]
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C)
\[\frac{\pi }{2}\]
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D)
\[\sigma =\text{5}.\text{67}\times \text{1}{{0}^{-\text{8}}}\text{W}-{{\text{m}}^{\text{2}}}{{\text{K}}^{\text{-4}}}\]
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question_answer43) \[y=5\sin \frac{\pi x}{3}\cos 40\pi t\] is a
A)
strong reducing agent
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B)
strong base
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C)
strong oxidising agent
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D)
weak base
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question_answer44) A ketone gives a yellow ppt when treated with \[t\] in an alkaline solution. Thus, the ketone is
A)
a cyclic ketone
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B)
a methyl ketone
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C)
an unsaturated ketone
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D)
None of the above
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question_answer45) The ore of magnetite is
A)
\[{{(Kg)}^{1/2}}\]
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B)
\[{{(Kg)}^{-1/2}}\]
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C)
\[{{(Kg)}^{2}}\]
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D)
\[{{(Kg)}^{-2}}\]
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question_answer46) A compound with nitro group was reduced by\[\frac{pV}{nT}\], followed by treatment with \[\frac{pV}{nT}\frac{pV}{nT}\upsilon ersus\] and followed by phenol. The chromophore group in the final compound is
A)
\[{{T}_{1}}>{{T}_{2}}\] group
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B)
\[\frac{pV}{nT}\] group
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C)
\[4\times {{10}^{3}}A{{m}^{-1}}\]group
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D)
\[\text{1}{{0}^{-\text{2}}}\]group
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question_answer47) The most stable oxidation state exhibited by thallium is
A)
0
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B)
+1
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C)
+2
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D)
+3
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question_answer48) Bohr model of hydrogen atom was unable to explain
A)
Rydberg's formula of atomic spectra
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B)
Heisenberg's uncertainty principle
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C)
Planck's law of energy quantization
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D)
Rutherford's model of atomic structure
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question_answer49) The order of basic strength for methyl substituted amine in aqueous solution is
A)
\[\text{1}{{0}^{-3}}\]
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B)
\[1\mu V\]
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C)
\[\text{1}.\text{96}\times \text{1}{{0}^{-\text{8}}}\text{ m}/\text{s}\]
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D)
\[\text{2}.\text{12}\times \text{1}{{0}^{\text{8}}}\text{ m}/\text{s}\]
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question_answer50) The crystal structure of solid Mn(II) oxide is
A)
\[\text{3}.\text{18}\times \text{1}{{0}^{8}}m/s\]structure
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B)
\[\text{3}.\text{33}\times {{10}^{\text{8}}}\text{ m}/\text{s}\]structure
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C)
\[\theta =\text{45}{}^\circ \] structure
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D)
\[\frac{1}{3}M{{L}^{2}}\] structure
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question_answer51) 2-bromobutane reacts with \[\frac{3}{2}M{{L}^{2}}\]in \[\frac{3}{4}M{{L}^{2}}\] to give 2-butanol. The reaction involves
A)
retention in configuration
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B)
inversion in configuration
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C)
racemization
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D)
mutarotation
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question_answer52) The compound used for gravimetric estimation of copper \[M{{L}^{2}}\] is
A)
\[{{R}_{1}}\]
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B)
\[{{R}_{2}}\]
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C)
\[{{Q}_{1}}\]
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D)
\[{{Q}_{2}}\]
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question_answer53) Latent heat of vaporisation of water is \[{{Q}_{1}}{{R}_{2}}\ne {{Q}_{2}}{{R}_{1}}\] at\[{{Q}_{1}}{{R}_{2}}={{Q}_{2}}{{R}_{1}}\]. Calculate molal boiling point elevation constant of water.
A)
\[5.2{}^\circ \]
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B)
\[0.052{}^\circ \]
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C)
\[52.2{}^\circ \]
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D)
\[0.52{}^\circ \]
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question_answer54) The silver salt of an unknown monoacidic alkyne contains 67.08% silver. The structure of the alkyne is
A)
\[s=\frac{{{t}^{2}}}{4}\]
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B)
\[T\propto V\]
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C)
\[T\propto {{V}^{2}}\]
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D)
\[T\propto \frac{1}{{{V}^{2}}}\]
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question_answer55) Time required to deposit one millimole of As metal by the passage of 9.65A through aqueous solution of aluminium ion is
A)
30s
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B)
10s
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C)
3000s
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D)
10000s
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