Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Junior Research Officer (SR for ST)' And exam conducted in the year 2023. And Question paper code was '137/2023/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.
ന്യ
॥ |
Correct Answer:- Option-C
Question11:-The correct order of isomeric shift in Sn compounds
A:-[Me,Sn]>[Me,5nC1]>[Me,SnCl]
-[Me,SnClq]|>[Me,Sn]>[Me,SnCl]
1635701 |> [1४९0509 ]> [0९45१]
-[Me,SnCip|>[Me,SnCl]>[Me,Sn]
B:
0;
D:
Correct Answer:- Option-D
Question12:-Estimate the radius of 27, nucleus
A:-2.29x10-4m
B:-9.24x10-5m
ഷെ
0 :-5.302010- 5
Correct Answer:- Option-B
Question13:-The X-S-X bond angle in s0.x. for different X is the order when X=F, Cl,
OH or cr;
A:-502(CF3),>50{OH),>502Clz>S02F 2
B :-502(८3)9>502619>502(0 घ} > 50252
¢ :-5020> 5020 घ)7>502(6.53) > 50252
D:-50F2>S0,(0H),>S02(Cl2)>502(CF3),
Correct Answer:- Option-A
Question14:-The correct combination of catalyst and its application is
A:-[are(co),| Hydroformylation
B:-[Hc0(co),| - Alkene hydrogenation
C:-Cis - [ra(co),1,] - Monsanto acetic acid synthesis
D:-[ru(co),15] _- Water gas shift reaction
Correct Answer:- Option-C
Question15:-The one-dimensional metal Pt complex is
A:-K2,PtCW),Br93.3H20
B:-PiCl(NH3),Bro3
Ci-K2PtCl,Bro3.3H20
D 2೫೧7/(೫೦) ೫೧ 3೫೦
Correct Answer:- Option-A
Question16:-The STYX number of Ben is
A:-4120