BSc Sem VI 2014 2015 2015 Chemistry 1 Question Paper - Mumbai University | munotes
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2015 - Chemistry 1
Semester-end · 2014 2015
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Questions asked in this paper
- (2) Figures to the right indicate full marks
Q.P. Code : 14564
(2% Hours) [ Total Marks : 75
N.B.: All questions are compulsory
(2) Figures to the right indicate full marks
(3) Use of logarithiric Table /Non-programmable calculator is allowed
Mass of electron = 9.109 x kg
1. Attempt any three of the following
(a) Explain the term force constant as applicable to vibrational 5
of CO in an inert solvent shows IR absoiption radiation at 2.14 x
Calculate the force constant of bond, if the reduced mass of CO is
(b) Show that the frequency separation of successive lines in rotational spectrum 5
of a diatomic molecule is given by 2B, where B is rotational constant
diatomic molecule was exposed to radiation of frequency 5
,the frequency difference between the first stoke's line and first Anti-stoke's
“line is 7.22 x Calculate
(i) Raman shift (ii) Frequencies of both lines
(d) Explain the of dipole moment measurement in differentiating between 5
(ii) and non-linear molecules
by giving suitable examples
ain the different types of stretching and bending modes 5
citing example of H,O molecule
Show that the frequencies of fundamental band, first overtone and second 5
overtone bands are in the ratio 1 ; in the vibrational-rotational
are eigen functions of the
trodes, the hydrogen
the electrolysis of 2 N H,SO, using Nickel electrodes,
0.36 V fora given current density. What will
voltage for the same cathode if the current density increased 5
the limitation of classical mechanics in explaining
independent wave equation and explain the terms
in Give any two characteristics of wave
Explain ‘the experimental experimental determination of overvoltage. 5
Explain following terms with respect to} 5
of reaction rates for unimolecular reactions, 5
construction and working solar cell
d) Wh are shielded and deshielded protons ? Explain the low resolution 5
on reactions based on rate of reaction, 5
are secondary cel With respect to lithium ion cell, anode, 5
= Working of nuclear power reactor. 5
Q.P. Code : 14564
isotopes are useful as tracers in determination of
ct on mechanism, giving examples
Q-value and threshold for the following nuclear reaction. 5
: Isotopic masses in a.m.u
Attempt any fifteen of the following. Choose the correct answer
(1) Force constant of C - C bond than C= C bond. 1
(2) Rule of mutual exclusion is applicable 1
When molecule obeys selection rule rotational spectra. 1
(4) When dipole moment is zero, molecule has same substituents 1
(5) lines in Raman 1
(6) Pure rotational spectra is shown by 1
(7) The eigen value for sin 2x is 1
(8) Following is the slowest ster as per Tafel's theory in hydrogen
(a) Transfer of towlectrode surface
(c) of two atoms of hydrogen to
fundamental equation of de Broglie's theory of wave-particle 1
(x), then the 1
the be is
Hydrogen is considered as most promising fuel of the future because it is“ 1
(15) Ina fuel cell, hydrogen combine to produce electricity end water. 1
For NMR spectra, for shielded proton 1
(a) Heer > (b) (c) Happ
(17) When a chemical reaction obeys collision theory, probability factor 1
(18) method is used to determine rate the reaction of ultra-fast 1
The penetration power of Y~- rays is alpha rays. 1
lower than (b) higher than (c) equal to
(20) Geiger Nuttal rule is given by
(a) 3.7% - dis/s
(22) energy only if nuclear reaction is 1
(a) (b) endoergic (c) endothermic
(23) Fission reac i in
is sustainable in a nuclear reactor, if multiplication factor 1
(2% Hours) [ Total Marks : 75
N.B.: All questions are compulsory
(2) Figures to the right indicate full marks
(3) Use of logarithiric Table /Non-programmable calculator is allowed
Mass of electron = 9.109 x kg
1. Attempt any three of the following
(a) Explain the term force constant as applicable to vibrational 5
of CO in an inert solvent shows IR absoiption radiation at 2.14 x
Calculate the force constant of bond, if the reduced mass of CO is
(b) Show that the frequency separation of successive lines in rotational spectrum 5
of a diatomic molecule is given by 2B, where B is rotational constant
diatomic molecule was exposed to radiation of frequency 5
,the frequency difference between the first stoke's line and first Anti-stoke's
“line is 7.22 x Calculate
(i) Raman shift (ii) Frequencies of both lines
(d) Explain the of dipole moment measurement in differentiating between 5
(ii) and non-linear molecules
by giving suitable examples
ain the different types of stretching and bending modes 5
citing example of H,O molecule
Show that the frequencies of fundamental band, first overtone and second 5
overtone bands are in the ratio 1 ; in the vibrational-rotational
are eigen functions of the
trodes, the hydrogen
the electrolysis of 2 N H,SO, using Nickel electrodes,
0.36 V fora given current density. What will
voltage for the same cathode if the current density increased 5
the limitation of classical mechanics in explaining
independent wave equation and explain the terms
in Give any two characteristics of wave
Explain ‘the experimental experimental determination of overvoltage. 5
Explain following terms with respect to} 5
of reaction rates for unimolecular reactions, 5
construction and working solar cell
d) Wh are shielded and deshielded protons ? Explain the low resolution 5
on reactions based on rate of reaction, 5
are secondary cel With respect to lithium ion cell, anode, 5
= Working of nuclear power reactor. 5
Q.P. Code : 14564
isotopes are useful as tracers in determination of
ct on mechanism, giving examples
Q-value and threshold for the following nuclear reaction. 5
: Isotopic masses in a.m.u
Attempt any fifteen of the following. Choose the correct answer
(1) Force constant of C - C bond than C= C bond. 1
(2) Rule of mutual exclusion is applicable 1
When molecule obeys selection rule rotational spectra. 1
(4) When dipole moment is zero, molecule has same substituents 1
(5) lines in Raman 1
(6) Pure rotational spectra is shown by 1
(7) The eigen value for sin 2x is 1
(8) Following is the slowest ster as per Tafel's theory in hydrogen
(a) Transfer of towlectrode surface
(c) of two atoms of hydrogen to
fundamental equation of de Broglie's theory of wave-particle 1
(x), then the 1
the be is
Hydrogen is considered as most promising fuel of the future because it is“ 1
(15) Ina fuel cell, hydrogen combine to produce electricity end water. 1
For NMR spectra, for shielded proton 1
(a) Heer > (b) (c) Happ
(17) When a chemical reaction obeys collision theory, probability factor 1
(18) method is used to determine rate the reaction of ultra-fast 1
The penetration power of Y~- rays is alpha rays. 1
lower than (b) higher than (c) equal to
(20) Geiger Nuttal rule is given by
(a) 3.7% - dis/s
(22) energy only if nuclear reaction is 1
(a) (b) endoergic (c) endothermic
(23) Fission reac i in
is sustainable in a nuclear reactor, if multiplication factor 1
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