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 '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.
சி கார்ட,
B:-ArCN
പ്പ്
D:-Arx
Correct Answer:- Option-C
Question37:-Example for and N-terminal protecting group used in peptide synthesis
A:-Fluorenylmethoxycarbonyl
B:-Trifluoro acetate
C:-1, 3 dithiane
D:-DCC
Correct Answer:- Option-A
Question38:-Which of the following substituent exhibits a negative sigma «value at
the para position?
A:-Cl
8 :-2/ 34 +وے
C:-vo,
D:-OH
Correct Answer:- Option-D
Question39:-Which neurotransmitter is deficient in the brains of individuals with
Parkinson's disease?
A:-Serotonin
B:-Acetylcholine
C:-Dopamine
D:-Endorphins
Correct Answer:- Option-C
Question40:-Syn hydroxylation of alkenes can be affected by
A:-0,04
B:-1202
C:- BH, /NaOH
D:-se0,
Correct Answer:- Option-A
Question41:-Identify the correct statement regarding the Hammett's ’ values for
following reactions of para substituted aryl compounds (Ar) (i) and (ii)
20°
i) Ar-OH + CeHsCOC] ———— Ar-OCOCsHs വി
1) ೩-೦11-೮1
H,0
Ar-Ciz-OH
A:-'p' value is positive for both reactions
B:-'p' value is negative for both reactions