Kerala PSC Previous Years Question Paper & Answer

Title : Work Assistant, Assistant Chemist & Analyst - The Kerala Ceramics Ltd, Travancore Titanium Products Ltd & Foam Mattings (India) Ltd
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Work Assistant, Assistant Chemist & Analyst - The Kerala Ceramics Ltd, Travancore Titanium Products Ltd & Foam Mattings (India) Ltd' And exam conducted in the year 2022. And Question paper code was '028/2022'. 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.

page: 9 out of 16
Excerpt of Question Code: 028/2022

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028/22

Which among the following alkyl halide will react by both S,,1 and ‏صر5‎ pathways ?
A) CH, -× 8) CH, - CH, -×
©) (CH,),CH - X ഉ) (വ്യ

Which of the following reaction cannot be employed to prepare alkyl halides ?
A) Darzen reaction

) MPV reduction

C) Markonikofs addition of HCl to an unsymmetrical alkene

) Halogenation of alkenes

Aniline reacts with glycerol in presence of sulphuric acid and nitrobenzene as an
oxidizing agent. Which among the following statement is more correct ?

A) Bayer Villiger Oxidation and the product is quinoline.
Rosenmunds reduction and the product is quinoline.

)
C) Paal Knoor synthesis and the product is quinoline.
)

D) Skraup reaction and the product is quinoline.

Among the following reactions and the final product, which pair does not match ?

A) Cumene reactions gives phenol and acetone

8) Kolbe-Schmidt reaction gives ortho-hydroxy benzoic acid

C) Fries rearrangement gives methoxybenzoic acid
)

D) Bischler-Napieralski reaction gives isoquinolines

Phenol is dissolved in caustic soda solution along with CO, gas at about 398 K and
4-7 bar pressure gives which of the following compound ۶

A) Sodium phenoxide
B
0
0

)
) Cumene hydroperoxide

) Phthalic acid

) None of the above

Glycerol on periodic acid oxidation gives

A) HCHO + 2HCOOH 8) 2HCHO + HCOOH
‏رہ‎ 2CH,OH + HCOOH ഉ) ೦ಗ್ಕ೦ಗ + 2HCOOH

5:

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Work Assistant, Assistant Chemist & Analyst - The Kerala Ceramics Ltd, Travancore Titanium Products Ltd & Foam Mattings (India) Ltd : Video