Kerala PSC Previous Years Question Paper & Answer

Title : Non Vocational Teacher Chemistry (By Transfer)
Question Code :

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Non Vocational Teacher Chemistry (By Transfer)' And exam conducted in the year 2023. And Question paper code was '162/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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 22
Excerpt of Question Code: 162/2023/OL

B:-(E)-3-(bromomethyl)pent-2-en-4-one
C:-(Z)-3-(bromomethyl)pent-3-en-4-one
D:-(Z)-3-(bromomethyl)pent-3-en-2-one
Correct Answer:-Question Cancelled

Question33:-The following conversion involves

०९.००५
cl
NaOCH,/CH,OH

A:-Lossen rearrangement

B:-Favorski rearragment

C:-Curtius rearrangement

D:-Demjanov rearrangement

Correct Answer:- Option-B
Question34:-Identify the product of the reaction:

=n

‘Na, Lig.NH, /EtOH
— த

oo

Correct Answer:- Option-A

Question35:-Which of the following statement(s) is/are true about Fetizen's
reagent?

(i) | Fetizen's reagent is silver carbonate precipitated on Kaolinite

(11) Fetizen's reagent oxidizes selectively 2°-alcohols over 1°-alcohols

(iii) It is a mild reagent

(iv) It is used in polar solvents only

A:-Statement (i), (ii) and (iii) only
B:-Statement (ii) and (iii) only
C:-Statement (iii) and (iv) only
D:-Statement (ii) and (iv) only
Correct Answer:- Option-B

Question36:-Suitable synthetic equivalent for aryl cation (ar+)is

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