Kerala PSC Previous Years Question Paper & Answer
Page:21
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.
B:-NH
C:-CHO
D:-OH
Correct Answer:- Option-D
Question90:-Molecular Tweezers is primarily concerned with
A:-Thermodynamics
B:-Non covalent bond
C:-Dative bond
D:-Covalent bonding
Correct Answer:- Option-B
Question91:-Predict the correct order of magnetic moment for the following
geometry pf Ni(II) complexes
A:-Square planar < Octahedral < Tetrahedral
B:-Octahedral < Tetrahedral < Square planar
C:-Tetrahedral< Square planar < Octahedral
D:-Square planar
Question92:-Which of the following statement is incorrect about Zeise's salt?
A:-Oxidation state of Pt in Zeise's sa;t is +2
B:-Zeise's salt is diamagnetic in nature
C:-All the Pt-Cl bond length in Zeise's salt are not equal
D:-C-C bond length on ethylene moirty on Zeise's salt is longer than ethylene
molecule
Correct Answer:- Option-C
Question93:-Indicate the number of Mossbauer peaks in the spectrum of Fe,(co),,
A:-0
B:-1
C:-2
D:-3
Correct Answer:- Option-D
Question94:-How many metal-metal bonds are present in [CpMo(co),], ?
A:-1
B:-2
C:-3
D:-4
Correct Answer:- Option-C