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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Archaeological Chemist - Archaeology ' And exam conducted in the year 2022. And Question paper code was '044/2022'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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ESR spectra of benzene radical anion gives :
(A)
(C)
doublet lines
septet lines
(A) 1
(A)
(0
Born — Oppenheimer approximation
Use of incomplete basis set
(8)
(1) triplet lines
quartet lines
The number of degrees of freedom at the eutectic point of a two component system is :
(B) 0
(0) 3
The source of error encountered in ab-initio calculations include :
൯) Omission of relativistic effects
(D) Allof the above
Among the following symmetry elements, the element absent in trans-dichloroethylene is :
(A)
(0
Cz proper 7008100 axis
horizontal plane of symmetry, 6;
(B) vertical plane of symmetry, ಲೃ
(D)
inversion centre, i
The rotational spectrum of rigid diatomic molecule consists of lines which are equally spaced.
If B is the rotational constant the spacing between the lines is equal to:
2B
4B
(A)
(0
The angular momentum operator, Lx is:
0 وھ
Ay പ്പം
ಖಿ 3 “
0 9ھ
൧൦൧൨ )¢
गणः 2) ©
ಔಡ) B
(D) 3B
„ ¢ 9 9
© “कक *छ)
h ಕ್ರಿ ಕ್ರಿ
60) 1 श ಕ್ಲಿ)
The factor which affects the diffusion current in polarography is :
(A) number of electrons involved in electrode reaction
(B) diffusion coefficient of elecroactive species
(C) bulk concentration of the electroactive material
(D) allof these
044/2022
[P.T.0.]