Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Chemist - Kerala State Co-operative Marketing Federation Ltd ' And exam conducted in the year 2022. And Question paper code was '043/2022'. 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.
93. pH of an aqueous solution of weak acid and strong base is given by the relation :
(A) pH=7+4pKa + 31080 رو pH=7++pKa-togC
1 1 1 1
(C) pH=7-—pKa + loge ()) pH =7-—pKa—~ loge
94. The heat of neutralisation of all strong acid and strong base is:
(A) equal to zero (B) nearly the same
(C) not fixed (1) varies from acid to acid
95. Which among the following is not microwave active?
(A) HCl (8) प्र,
(0 HBr (00) 00
96. The NMR active molecule is :
(ಬ. Cc? ®) ٠
© کو (0) ೫"
97. The magnetic moment of a molecule is 1.732 magnetons. The number of unpaired
electrons 15 :
(A) 0 (B) 1
(0 2 (D) 3
98. ௩௮ ஏ” transition occurs in:
(^) alkanes ൯) alkenes
(C) halogen compounds (D) carbonyl compounds
99. Specific selection rule for rotational spectrum is :
(A) AV=41 ൪൫ AJ=#1
) AV 3152 (D) AJ=+1,+2
100. The formula used for the determination of relative viscosity by Ostwald’s method is :
(Ay) >" = at ൫ 2 = dy ty
ولا dy ty ولا dt
31 _ وا 31 _ bts
(0) ~ = ->- त) ಜರ
ولا दा ود At
043/2022 14 A