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 'Research Officer- Chemistry/ Biochemistry' And exam conducted in the year 2023. And Question paper code was '027/2023/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.
Question95:-Ferrocene cannot undergo which of the following reactions?
A:-Lithiation
B:-Diels-Alder reaction
C:-Redox reaction
D:-Alkylation
Correct Answer:- Option-B
Question96:-The order of CO infrared stretching frequencies in
Ni(CO),,Ni(CO),(PMe3),Ni(CO),(PMe3), js
A:z-NiCO),{PMes), >Ni(CO),(PMe3)>NiCO),
B:-(CO),>Ni(CO),(PMes)>Ns(CO),(PMes),.
C:-ilC0)4>Ni(CO),(PMes), >Ni(CO),(PM es)
D:-N(CO),(Pmes), i Ni(CO),(PMes)>Ni(CO),
Correct Answer:- Option-B
Question97:-The oxidation state of iron in methemoglobin is
A:-zero
B:-Two
C:-Three
D:-Four
Correct Answer:- Option-C
Question98:-If vat-x+ ATPase pumps 6 wa+ out of the cell and 4x+ into the cell, the
number of ATP consumed
A:-1
B:-2
C:-3
D:-4
Correct Answer:- Option-B
Question99:-Identify the correct statement for the EPR spectrum of vowcee, [with
square pyramidal geometry at Vanadium ] at 77K [I value of ४५-४३ ]
A. It has two g values
B. It has one g value
6. It has 8 lines only
0. ॥ 185 2 patterns of 8 lines
A:-A and D
B:-A and C
C:-B and C
D:-B and D
Correct Answer:- Option-A
Question100:-For the given complex [ഗായ , the coordination number and