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5th December 2014, 03:37 PM
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Join Date: Apr 2013
Re: M.Sc Chemistry Entrance Question Papers

Here is the question paper of M.Sc Chemistry Entrance exam of IGNOU which you are looking for

1 The electromagnetic radiation associated with which of the following transitions in a hydrogen
atom will have the maximum wavelength ?
(1) From n =1 to n = 3 (2) From n = 2 to n = 3
(3) From n = 3 to n = 4 (4) From n =1 to n a

2 Potassium ejects photoelectrons when irradiated with light of wavelength less than 710 nm.
Which of the following lights will eject photoelectrons from potassium with maximum
velocity ?
(1) Blue (2) Green (3) Violet (4) Yellow

3. The minimum value of the energy of a particle in a one dimensional box is x units. The value
of its energy in the next higher level will be :
1
(1) --x 2 (2) 2x (3) 3x (4) 4x

4. The probability of finding the dz2electron is zero in :
(1) xi/ plane (2) xz plane (3) yz plane (4) none of the above

5. In a Born Haber cycle which of the following contributes most in accounting for the high
negative standard enthalpy of formation of MgO(s), a stable ionic compound ?
(1) First and second ionization energies of magnesium
(2) Dissociation energy of oxygen
(3) Lattice energy
(4) Electron affinity of O(g)








For whole paper here is the attachment of it
Attached Files
File Type: pdf IGNOU M.Sc Chemistry Entrance Question Paper.pdf (293.8 KB, 336 views)


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