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 ' Chemist - Kerala State Co-operative Marketing Federation Ltd ' And exam conducted in the year 2022. And Question paper code was '043/2022'. 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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Reaction of chlorobenzene with NaNH, / 1, forms:
(A) Carbene (8)
(0) Carbanion ൬)
Bischler-Napieralski synthesis is used to prepare :
(^) Pyridine (B)
(0) Isoquinoline (D)
Which of the following is a hetrocyclic compound not having 2 nitrogen atoms in the same
ring?
(A) Isoxazole (B)
(0 Pyrazine ൬)
Chlorination of toluene with excess Cl, in presence of heat followed by hydrolysis gives :
(ಹ) Benzyl alcohol (B)
(0) o-Cresol 0)
Carbocation
Benzyne
Pyrazine
Quinoline
Pyrimidine
Pyridazine
Benzoic acid
p-Cresol
Alkyl halide may be converted to alkane by reduction with :
(A) Zn/Cu/HCl (8)
(0 NaNH,/NH, ൬
14൧114, converts acetic acid into :
(^) Acetaldehyde (8)
(0) Ethanol ൬)
A pure organic compound dissolved in dry benzene evolves hydrogen on reaction with
sodium. It may be :
(A) Ether (8)
(0) Aldehyde (2)
H,/Pt
All of these
Ethane
Methanol
Alcohol
Ketone
To obtain 1-Propanol from propene, the reagent of choice is :
(A) Os0,/CH,Cl, (8)
(© Alk.KMn0, ൬
Ethanol may be distinguished from methanol by :
(^) Benedict’s test (8)
(0 Iodoform test ൬)
03/71 dust
B,H,/Alk.H,0,
Tollen’s test
Lucas test