Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Higher Secondary School Teacher (Junior) Chemistry' And exam conducted in the year 2023. And Question paper code was '033/2023/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.
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C:- Br
D:-both 1 and 2
Correct Answer:- Option-D
Question35:-Give the product and type of rearrangement taking place when
1-propene is treated with seo, in ethanol solvent.
A:-Allylic alcohol and [1, 3] sigmatropic rearrangement
B:-lsopropanol and [1, 3] sigmatropic rearrangement
C:-Allylic alcohol and [2, 3] sigmatropic rearrangement
D:-lsopropanol and [2, 3] sigmatropic rearrangement
Correct Answer:- Option-C
Question36:-Which among the following is correct for Collins reagent ?
A:-a piperidine complex of chromium
B:-a pyridine complex of chromium
C:-a Cr(IV) oxide
D:-both 1 and 3
Correct Answer:- Option-B
Question37:-Maximum number of tetramers that can be synthesized from 3
monomers using mix and split synthesis
A:-64
B:-9
C:-81
D:-126
Correct Answer:- Option-C
Question38:-Which among the following is incorrect for Chugaev reaction ?
A:-lt is a pyrolysis reaction
B:-Final product is an olefin
C:-cs, is one of the reagent used
D:-It proceeds through 5 membered cyclic transition state
Correct Answer:- Option-D
Question39:-Total number of stereogenic centers present in Thalidomide
A:-2
B:-3
0
D:-1