Higher secondary school teacher chemistry previous question paper
Category Code: 427/2015
Exam: HSST Chemistry Junior SR For SC/ST
Date of Test 09-01-2017
Department Higher Secondary Education
Detailed syllabus: Click Here
Part 1: Click here
26:-The law of constancy of interfacial angle is called :
A:-Hauy's law
B:-Law of symmetry
C:-Steno's law
D:-Miller's law
Answer:- Option-C
27:-Which of the following complex ions would have the smallest crystal field splitting ?
A:-`[Co(NH_3)_6]^(3+)`
B:-`[Rh(NH_3)_6]^(2+)`
C:-`[Ir(NH_3)_6]^(2+)`
D:-`[Co(NH_3)_6]^(2+)`
A:-Hauy's law
B:-Law of symmetry
C:-Steno's law
D:-Miller's law
Answer:- Option-C
27:-Which of the following complex ions would have the smallest crystal field splitting ?
A:-`[Co(NH_3)_6]^(3+)`
B:-`[Rh(NH_3)_6]^(2+)`
C:-`[Ir(NH_3)_6]^(2+)`
D:-`[Co(NH_3)_6]^(2+)`
Answer:- Option-D
28:-A plot of log[A] Vs time(t) gives a straight line with negative slope. The order of the reaction is :
A:-0
B:-1
C:-2
D:-3
Answer:- Option-B
29:-The nature of electronic spectra of 'd' block elements is mainly due to :
A:-Incomplete d-orbitals
B:-Term splitting in different crystal field geometry
C:-Presence of hydrated ions
D:-Removal of degeneracy of d-orbitals
Answer:- Option-A
28:-A plot of log[A] Vs time(t) gives a straight line with negative slope. The order of the reaction is :
A:-0
B:-1
C:-2
D:-3
Answer:- Option-B
29:-The nature of electronic spectra of 'd' block elements is mainly due to :
A:-Incomplete d-orbitals
B:-Term splitting in different crystal field geometry
C:-Presence of hydrated ions
D:-Removal of degeneracy of d-orbitals
Answer:- Option-A
30:-How many Bravais lattices can exist in nature ?
A:-32
B:-17
C:-14
D:-7
Answer:- Option-C
31:-How many ESR lines are observed if an unpaired electron when closed to two non-equivalent protons is placed in magnetic field ?
A:-2
B:-4
C:-6
D:-8
Answer:- Option-B
32:-For which one of the following process is inter system crossing (ISC) essential ?
A:-Fluorescence
B:-Radioactive decay
C:-Chemiluminescence
D:-Phosphorescence
Answer:- Option-D
33:-The molecules of `H_2O` belongs to the point group :
A:-`D_4`
B:-`C_3V`
C:-`C_2V`
D:-`C_3`
Answer:- Option-C
34:-Which one of the following types of bonding is true for ferrocene ?
A:-Localised Fe-C bond
B:-Delocalised Fe-C bond` `
C:-Ionic bond having `Fe^(2+) (-C_5H_5-)_2`
D:-Hydrogen bridge bonding
Answer:- Option-B
35:-What is the effect of hydrogen bonding on the IR absorption of N-H group ?
A:-It shifts to lower wave number
B:-It shifts to higher wave number
C:-No change is observed
D:-None of these
Answer:- Option-A
36:-A symmetry element which distinguishes maleic acid from fumaric acid is :
A:-`C_2`
B:-I
C:-`S_4`
D:-None of the above
Answer:- Option-A
37:-How many hyperfine lines in ESR spectrum are shown by `Mn^2+` ?
A:-6
B:-5
A:-32
B:-17
C:-14
D:-7
Answer:- Option-C
31:-How many ESR lines are observed if an unpaired electron when closed to two non-equivalent protons is placed in magnetic field ?
A:-2
B:-4
C:-6
D:-8
Answer:- Option-B
32:-For which one of the following process is inter system crossing (ISC) essential ?
A:-Fluorescence
B:-Radioactive decay
C:-Chemiluminescence
D:-Phosphorescence
Answer:- Option-D
33:-The molecules of `H_2O` belongs to the point group :
A:-`D_4`
B:-`C_3V`
C:-`C_2V`
D:-`C_3`
Answer:- Option-C
34:-Which one of the following types of bonding is true for ferrocene ?
A:-Localised Fe-C bond
B:-Delocalised Fe-C bond` `
C:-Ionic bond having `Fe^(2+) (-C_5H_5-)_2`
D:-Hydrogen bridge bonding
Answer:- Option-B
35:-What is the effect of hydrogen bonding on the IR absorption of N-H group ?
A:-It shifts to lower wave number
B:-It shifts to higher wave number
C:-No change is observed
D:-None of these
Answer:- Option-A
36:-A symmetry element which distinguishes maleic acid from fumaric acid is :
A:-`C_2`
B:-I
C:-`S_4`
D:-None of the above
Answer:- Option-A
37:-How many hyperfine lines in ESR spectrum are shown by `Mn^2+` ?
A:-6
B:-5
C:-4
D:-3
Answer:- Option-A
38:-A is the stereoisomer of the compound B, Therefore A and B differ in their :
A:-Composition
B:-Steric Hindrance
C:-Configuration
D:-Constitution
Answer:- Option-C
39:-The hybridization of the central carbon in allenes is :
A:-`dsp^(2)`
B:-`sp^(3)`
C:-`sp^(2)`
D:-sp
Correct Answer:- Option-D
D:-3
Answer:- Option-A
38:-A is the stereoisomer of the compound B, Therefore A and B differ in their :
A:-Composition
B:-Steric Hindrance
C:-Configuration
D:-Constitution
Answer:- Option-C
39:-The hybridization of the central carbon in allenes is :
A:-`dsp^(2)`
B:-`sp^(3)`
C:-`sp^(2)`
D:-sp
Correct Answer:- Option-D
40:-High quantum yields of photochemical reactions are due to :
A:-Lowering of activation energy
B:-Accompanying side reactions
C:-Formation of free radicals
D:-High frequency of collision
Answer:- Option-B
41:-What is the eigenvalue of sin2`x` which is not an eigen function of the operator`d/dx` but of `d^2/dx^2` ?
A:-2
B:-`-2`
C:-4
D:-`-4`
Answer:- Option-D
42:-In first order reaction `A_((g))` ```` `_(g)` `+C_((g))`, the initial pressure is 11200 Pa and half life period of the reaction is 29.93 min. What is the total pressure at the end of 16 minutes ?
A:-14667 Pa
B:-15656 Pa
C:-16235 Pa
D:-14555 Pa
Answer:- Option-A
43:-Predict the number of translational, rotational and vibrational degrees of freedom in neon :
A:-3, 0, 1
B:-3, 1, 0
C:-3, 0, 0
D:-3, 1, 1
Answer:- Option-C
44:-How many diastereomers are shown by the molecules `CH_3CH=CHCH=CH-C_2H_5?
A:-1
B:-4
C:-3
D:-2
Answer:- Option-B
45:-The term 'quantum mechanics' was first introduced by :
A:-Schrondinger
B:-Max Born
C:-Bohr
D:-Einstein
Answer:- Option-B
46:-Which of the following radiation has the longest wavelength ?
A:-UV
B:-Micro wave
C:-Cosmic wave
D:-Radio wave
Answer:- Option-D
47:-Transmittance in spectroscopy analysis is a function primarily of the :
A:-Lowering of activation energy
B:-Accompanying side reactions
C:-Formation of free radicals
D:-High frequency of collision
Answer:- Option-B
41:-What is the eigenvalue of sin2`x` which is not an eigen function of the operator`d/dx` but of `d^2/dx^2` ?
A:-2
B:-`-2`
C:-4
D:-`-4`
Answer:- Option-D
42:-In first order reaction `A_((g))` ```` `_(g)` `+C_((g))`, the initial pressure is 11200 Pa and half life period of the reaction is 29.93 min. What is the total pressure at the end of 16 minutes ?
A:-14667 Pa
B:-15656 Pa
C:-16235 Pa
D:-14555 Pa
Answer:- Option-A
43:-Predict the number of translational, rotational and vibrational degrees of freedom in neon :
A:-3, 0, 1
B:-3, 1, 0
C:-3, 0, 0
D:-3, 1, 1
Answer:- Option-C
44:-How many diastereomers are shown by the molecules `CH_3CH=CHCH=CH-C_2H_5?
A:-1
B:-4
C:-3
D:-2
Answer:- Option-B
45:-The term 'quantum mechanics' was first introduced by :
A:-Schrondinger
B:-Max Born
C:-Bohr
D:-Einstein
Answer:- Option-B
46:-Which of the following radiation has the longest wavelength ?
A:-UV
B:-Micro wave
C:-Cosmic wave
D:-Radio wave
Answer:- Option-D
47:-Transmittance in spectroscopy analysis is a function primarily of the :
A:-Optical path
B:-Monochromator
C:-Velocity of light
D:-Barometric pressure
Answer:- Option-C
Question48:-Which of the following properties of transition metal complexes can be explained on the basis of crystal field theory ?
A:-Colour
B:-Magnetic moment
C:-Dipole moment
D:-Both (1) and (2)
Correct Answer:- Option-D
49:-Which of the following symmetry elements is not possessed by trans-dichlorobenzene ?
A:-`C_2`
B:-i` ` ` ` ``
C:-`S_4` ` `
D:-S`_h`
Answer:- Option-C
50:-The number of vibrational degrees of freedom in toluene is :
A:-39
B:-40
C:-9
D:-24
Answer:- Option-A
B:-Monochromator
C:-Velocity of light
D:-Barometric pressure
Answer:- Option-C
Question48:-Which of the following properties of transition metal complexes can be explained on the basis of crystal field theory ?
A:-Colour
B:-Magnetic moment
C:-Dipole moment
D:-Both (1) and (2)
Correct Answer:- Option-D
49:-Which of the following symmetry elements is not possessed by trans-dichlorobenzene ?
A:-`C_2`
B:-i` ` ` ` ``
C:-`S_4` ` `
D:-S`_h`
Answer:- Option-C
50:-The number of vibrational degrees of freedom in toluene is :
A:-39
B:-40
C:-9
D:-24
Answer:- Option-A
0 comments
Post a Comment