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 'LABORATORY TECHNICIAN (DRUGS STANDARDIZATION UNIT' And exam conducted in the year 2023. And Question paper code was '155/2023'. 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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Markovnikov’s selectivity in addition reaction is observed in which of the following
alkene ?
A) Propene
©) 2-methyl-1-butene
B) 1-butene
D) All the above
Reaction of Grignard reagents to carbonyl compounds belongs to
A) Electrophilic addition B) Electrophilic substitution
C) Nucleophilic addition D) Nucleophilic substitution
Which among the following is the catalyst for Friedel — Crafts alkylation reaction ?
A) Pd B) AICI, C) Pt D) All the above
The following reaction is an example for
ہے و
A) Electrocyclic reaction
©) [1, 3] - sigmatropic rearrangement
B) Cycloaddition reaction
D) [8,3] — sigmatropic rearrangement
The metal used in Wurtz-Fittig reaction is
९) 01 B) Sodium C) Potassium D) Palladium
Which among the following is the reagent for distinguishing primary, secondary and
tertiary alcohols ?
A) Tollen’s reagent B) Fehling’s reagent
C) Millon’s reagent D) Lucas’ reagent
Phenol on Riemer-Tiemann reaction gives
COOH
OH
CH, CHO
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