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 'TECHNICAL ASSISTANT DRUGS CONTROL' And exam conducted in the year 2015. And Question paper code was '124/2015'. 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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17. Benzene when treated with phosgene in presence of കവ gives :
(ക) Benzaldehyde (B) Benzyl chloride
(©) Benzophenone (D) Benzal chloride
18. Hydroxylation of Alkenes can be effected by :
(ಹ) Luca’s Reagent (B) Baeyer’s Reagent
(C) Tollens Reagent (D) Borsche Reagent
19. Which of the following acids has the lowest pKa value?
(A) Acetic acid (B) a-Chloro acetic acid
(0 ௨-011020 ௧௦602 கமம் (D) «a-Cyano acetic acid
20. The conversion of carboxylic acid in to primary amine by reaction with hydrazoic acid in
presence of concentrated sulphuric acid is called :
(ക) Schmidt Reaction (B) Dakin Reaction
(0) Perkin Reaction (D) Etard Reaction
21. Pyrolysis of calcium acetate gives :
(ക) Formaldehyde (B) Acetaldehyde
(0) Acetone (1) Acetic acid
22. Wolff-Kishner Reduction of acetophenone gives :
(മ) Toluene (B) Ethyl Benzene
(C) Xylene (D) Cumene
28. Which of the following compounds can give Butan-2-ol with CH;MgBr ?
ಉ H-CHO ത CH,-CHO
(© CH,-CH, - CHO (D) CH,-CO-CH,
24. The product obtained when an aldoxime is treated with phosphorous pentoxide is :
(A) Alkane (B) Primary amine
(C) Nitrile (D) Amide
25. € number of bridging hydrogen atoms in Diborane is :
@ 2 ®) 4 ॥
© 3 0) 6 ५
A 5 124/2015
‘ [P,T.O.]
