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 'Higher Secondary School Teacher (Junior) Chemistry' And exam conducted in the year 2023. And Question paper code was '033/2023/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.
'X' after nuclear transformation 'B' gives 'y ' radiation used in Mossbauer
spectroscopy 'A' and 'B' respectively are
A:-re, B emission
B:-8'co, B emission
ഥം, e Capture
D:-srre, e~ Capture
Correct Answer:-Question Cancelled
Question12:-Which of the following represents the selection rule for IR spectroscopy
?
A: {8n, /2Q] #0
B:- [P45 /29], 40
[പി] #0
ഉ: 40
Correct Answer:- Option-A
Question13:-Which of the following statements regarding correlation diagrams is
correct ?
Correct Answer:- Option-C
Question14:-The CO stretching frequencies generally follow the order
A:-CO>MCO>M,CO>M;CO
B:-M;CO>M,CO>MCO>CO
(0-೮೦೨ ೮೦೬೬ ೮೦೬1೬೮೦
D:-None of the above
Correct Answer:- Option-A
Question15:-The M-C stretching frequency in the following compounds follow the
order
A:-Ni{CO),>Co(CO), >Fe(CO}; >Mn(CO}y
B :-Mn(CO)fSFe(CO}z>Co(CO),>Ni(Co),
C:-Fe(Co)2SCo(CO), >Ni(CO),>Mn(CO)-
D:-co(Co),>NilCo),>Fe(CO), >Mn(CO);
Correct Answer:- Option-B
Question16:-27 NMR spectrum of meridional isomer of octahedral raci;r; complex
consist of
A:-One doublet