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:7


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: 7 out of 16
Excerpt of Question Code: 028/2022

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028/22

The material of cathode in Hollow cathode lamp constructed in AAS
A) Tungsten 8) Quartz
C) Element to be investigated D) All the above

Cell constant is
A) length x area B) length/area
C) area/length D) none of the above

Olefin hydrogenation of using Wilkinsons catalyst initiates with
A) Aphosphine dissociation from [Rh (PPh3)3Cl]

8) Olefin addition to [Rh (PPhg)3Cl]

©) A phosphine addition 10 [Rh (PPh3)3Cl]

D) Olefin addition to [Rh (??13)26॥]

Free radicals are detected by the
A) Mass spectra B) CIDNP
C) UV spectra D) Mossbauer spectroscopy

Which of the following reaction undergoes without formation of any intermediate ?
A) Sy1 reaction 8) 80 reaction
C) கபுர்‌ reaction 0) Sy2 reaction

In E2 reaction the dihedral angle of synperiplanar conformation is
A) 0° B) 90° C) 120° D) 180°

Which of the following is not an electrophile ?
A) CH, B) SO, ©) Br 0) BF,

Homolytic fission for generation of free radical is favoured most in bond
A) C-C 8) ௦-௦ 00-0೦ ഉ) ೦-೫

Which type of electronic transition can be seen in saturated aldehyde and ketone ?
A) 011 1 -> प्प 8) ൨-൦

©) ൯ 8707 > प्प 0) ஈட்‌

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