Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Non Vocational Teacher Chemistry (By Transfer)' And exam conducted in the year 2023. And Question paper code was '162/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
C:-'p' value is positive for reaction i and negative for reaction ii
D:-'p'value is negative for reaction i and positive for reaction ii
Correct Answer:- Option-C
Question42:-Vitamin A is an example for
A:-Monoterpene
B:-Diterpene
C:-Sesquiterperne
D:-Hemiterpene
Correct Answer:- Option-B
Question43:-How many signals for following compound observed in proton
decoupled csNMR spectroscopy?
CH,
0
A:-5
B:-4
C:-8
D:-6
Correct Answer:- Option-D
Question44:-Internal reference compound used in ESR is
A:-1,1-diphenyl-2'-picrylhydrazyl
B:-2,4,6-trimethoxycarbonyl nitrosobenzene
C:-Tetramethyl silane
D:-1, 3-Diphenyl hydrazyl
Correct Answer:- Option-A
Question45:-Photochemical electrocyclic reactions 1, 3, 5, 7-Octatetraene are
A:-Disrotatory
B:-Conrotatory
C:-Antrafacial
D:-Suprafacial
Correct Answer:- Option-A
Question46:-In the Edman method, which reagent is used to selectively cleave the
N-terminal amino acid from a protein?
A:-Trypsinte
B:-Trifluoroacetic acid
C:-Cyanogen bromide