Kerala PSC Previous Years Question Paper & Answer

Title : HIGHER SECONDARY SCHOOL TEACHER CHEMISTRY HIGHER SECONDARY SCHOOL EDUCATION
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HIGHER SECONDARY SCHOOL TEACHER CHEMISTRY HIGHER SECONDARY SCHOOL EDUCATION' And exam conducted in the year 2018. And Question paper code was '033/2018'. 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.

page: 7 out of 16
Excerpt of Question Code: 033/2018

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When aqueous solvents are to be used in IR spectroscopy, sample and reference cells are
made of :

(A) CaCl, (B) CaF, © ‏ع‎ ணன

Natural rubber can be distinguished from butyl rubber by an IR spectral peak around :
(^) 1200 1 ) 1600 ‏مه 2600 )€( 1 مه‎ 1 (D) None of these

Enantioselective epoxidation of allylic alcohols can be achieved by :
(^) Al-isopropoxide (8) Sn-isopropoxide
(C) Ti-isopropoxide diethyl tartarate (D) None of these

The shape of CIF} is :
(ಹ) Angular (8) Linear (ಲ) Triagonal (D) None of these

The residual entropy associated with a crystal with 6 possible orientations will be nearly :
(ಹಿ) 10 ® 15 © 15 (D) 35

The point group of 1, 1-difluoroethylene is :
(है) ‏من‎ ൫ ‏.هم‎ ര ‏وو‎ യു യ്മ

एण the reaction A~ B — C, where k; =5x10%5~" and k,=3x10° 57, time at which [B] is
maximum 15 ;

(ಹ) 2.൮7 ൫ 1150-7௦ (C) 25510768 (7) 2.55 8

The number of radial nodes for 4s orbital of hydrogen atom is :
കു? ൫ 4 © 3 യു 2

The number of metal-metal bonds in Iry(CO),, and Fey(CO),, are respectively :
@A) 63 ® 36 © 64 o 46

The magnetic moment of a six co-ordinate transition metal complex is approximately 6 BM.
Identify the complex if it is both ESR and Mossbauer active.

ക M) (B) மணை © ரணை (D) ಗಾರು

7 033/2018
{P.T.O}

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