Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Archaeological Chemist - Archaeology ' And exam conducted in the year 2022. And Question paper code was '044/2022'. 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.
25. Which of the options shows the same compound as the following?
ரப்
ப 618
HN
ல் வட
1112
©) pny oH ©) [
1130
26. Which of the following statements is not correct for alkyl halide?
(A) Order of reactivity of alkyl halides towards 72 dehydrohalogenation is found to be
3° > 20 > 1°
(B) As branching at carbon increases, 111 mechanism is favored as compared to
Sy1 mechanism
(C) In E2 elimination different stereoisomer (diastereomer) converts into different
stereo product
(D) In most unimolecular reactions of alkyl halide E1 reaction is favored over 51/1.
reaction
27. Which of the following is most acidic?
OH OH
(A) Sr (8) [or
۴
11960
HCO OH F. OH
० 39 7
28. Which of the following is the intermediate in Wolff's reaction?
(^) Ketene (3) Carbene
(0 Carbocation () Free radical
29. Which among the options can function ഒട “22 in the following reaction?
\ xX, ६
٥+ NH—Rz
(ಸ) Conc.H,SO, (B) 20,
(೮ 5001 (D) Any of the above
A 7 044/2022
[P.T.0.]