FPSC Lecturer chemistry Paper (8-08-2024)
1. Which mechanism is favorable for poor leaving group:
a. E1
b. E2
c. both E1 and E2 are favorable
d. none
2. Which is colloid among following
a. milk
b. air
c. salt water
d. none
3. The light source ….producing discrete emission spectra is
a. mercury vapor lamp
b. sun
c. incandescent electric bulb
d. none
4. Which among following cannot be used as salt bridge
a. KNO3
b. NH4NO3
c. NaCl
d. None
5. Which concept does not explain acid and base in non-aqueous solvents
a. Arrhenious concept
b. Lewis concept
c. Bronsted Lowry concept
d. Lux Flood concept
6. Enthalpy of formation is zero at standard state for all except
a. N2
b. H2
c. Fe
d. None
7. Which effects are shown by chlorobenzene
a. +I +R
b. -I -R
c. -I +R
d. none
8. If Ecathode = 0.80 , Eanode = -0.76 Emf of cell=??
a. 1.56
b. -1.56
c. 0.1
d. none
9. Which statement is false for Sn2
a. single step mechanism
b. double step mechanism
c. bimolecular
d. none
10. General configuration of d-block elements is
a. (n-1)d1-10 ns1-2
b. (n-2)f1-14 ns1-2
c. (n-1)d1-10 ns0-2
d. none
11. Angular momentum is given by which formula
a.h/2
b. nh/2
c. nh/2pie
d. none
12. Which among following will react with sodium metal
a. ethene
b. ethane
c. ethanoic acid
d. none
13. Which among following will show geometrical isomerism
a. 3-Hexene
b. propene
c. 1,1 dichloro propene
d. none
15 Choose the correct order of bond order.
a.N2 < F2 < O2
b. N2 > F2 > O2
c. F2 > N2 > O2
d. none
16. In CFT the gap between t2g and eg is
a. 8 dq
b. 0 dq
c. 10dq
d. none
17. Hybridization of NO22- is
a. sp
b. sp2
c. sp3
d.sdp2
18. Catalyst alter which thing
a. equilibrium constant
b. activation energy
c. concentration
d. none
19 Dissociation of 2HI into H2 and I2 is effected by which factor.
a. temperature
b. pressure
c. concentration
d. none
20. Choose the characteristic of rate law
a. It is always determined experimentally
b. can be determined by stichiometric balanced equation
c. determined by reactant concentration
d. none
21 Rutherford used gold foil to scatter alpha particles for discovery of nucleus because.
a. it scatter radiations easily
b. gold is malleable
c. both
d.none
22. Electrochemical cell changes
a. chemical energy into electrical energy
b. electrical energy into chemical energy
c. both
d.none
23 Pick the amorphous solid.
a. diamond
b. graphite
c. glass
d. none
24. Kirchof equation is effected by
a. volume
b. pressure
c. temperature
d.none
25 Gibbs free energy of spontaneous reaction is.
a. positive
b. negative
c. can be +ve and -Ve depending on condition
d. none
26. Le-Chatlier principle is applicable to
a. homogenous reversible
b. heterogenous reversible
c. physical and chemical equilibrium
d. none
27. When 0.1M HCl and 0.01M NaOH is mixed in equal volume , what will be the pH of the solution
a. 12
b. 2
c. 7
d.none
28. Write equilibrium constant expression expression for H2 + I2 <…….>2HI
a. [2HI]2 / [H2][I2]
b. [HI]2 / [H2][I2]
c. [2HI] / [H2][I2]
d. cannot be determined
29 When efficiency of engine is 40% and temperature of cold reservoir is 300K and temperature of hot reservoir is 600K. Amount of heat lost to cold reservoir for every 1000J will be.
a. 400J
b. 600J
c. 300J
d. none
30. Pick up the chemical change
a. boiling of water
b. melting of ice
c. burning of wood
d. none
31. The translation degree of freedom for diatomic gas is
a. 2
b. 3
c. 5
d.none
32. Pick up the more concentrated solution?
a. KNO3 in water
b. KNO3 in CCl4
c. both
d. none
33 Which concentration of an acid reacts faster with water.
a. 4g of HCl in 50cm3 of water
b. 40g of HCl in 1000cm3 of water
c. 2g of HCl in 100cm3 of water
d.none
34. Which reaction among following is not feasible
a. 2H2O +2F2 ……..> 4HF +O2
b. 2KBr + Cl2 …….> 2KCl + Br2
c. 2KBr + l2 …….> 2Kl + Br2
d. none
35 The energy of photon with frequency 5*1015 Hz is.
a. 3.31 *10-19 J
b. 6 *10-19 J
c. 1.2 *1019 J
d. none
36. The term used when solid, liquid and gas co-exist at equilibrium
a. triple point
b. phase equilibrium
c. critical point
d.none
37 Oil will not evaporate at room temperature due to .
a. intermolecular forces
b. intramolecular forces
c. both
d. none
38 For the reversible isothermal expansion of one mole of an ideal gas at 300K fom the volume of 10 dm3 to 20 dm3. calculate the work done
a. 0
b. +1.73 kJ
c. -1.73 kJ
d. none
39. Which one of following shows highest rate of SN1 reaction?
a. teritery carbocation
b. secondary carbocation
c. primary carbocation
d.none
40. Highest surface tension is of
a. H2O
b. NH3
c. CHCl3
d. none
41. For second order reaction, the initial concentration of reactant is 0.24M. If the rate constant is 0.081M-1s-1, What is the concentration of A after 29 second
a. 0.15
b. 0.02
c. 0.47
d.0.30
42. In which reaction reduction of metal is occuring
a. Mg + O2…….> MgO
b. Al2O3 + 3C …….> 2Al + 3CO
c. 2Na + Cl2……> 2NaCl
d. Fe + S ……>FeS
43 A gas expands adiabatically against a constant pressure with a work of -200J. Calculate the change in the internal energy of the system.
a. -200J
b. 200J
c. 300J
d. none
44. How many CO2 molecules are produced from the reaction between ethylene C2H4 and O2
a. two molecules
b. three molecules
c. four molecules
d.none
45. Ore of aluminium
a. bauxite
b. galena
c. nitre
d. none
46 Work done during compression is.
a. positive
b. negative
c. can be both
d. none
47 Electrochemical cell includes.
a. emf of cell is an independent characteristic
b. emf of cell is an dependent characteristic
c. gibbs free energy of cell is an intensive property
d.none
48. Zeeman is splitting of spectral lines in the presence of
a. Magnetic field
b. electric field
c. both
d.none
50. A system absorbs 500 J of heat and does 300 J of work. What is the change in internal energy of the system?
a. 200 J
b. 500 J
c. 700 J
d. 800 J
51. The supply type test item is
a. completion item
b. matching item
c. reconizing item
d. none
52 Communication in classroom should be.
a. teacher centered
b. student centered
c. textbook centered
d. none
53. The essence of effective classroom management is
a. variety of teaching aids
b. lively student teacher interaction
c. strict discipline
d. none
54. Teacher use tape recorder in classroom for hearing and audio recording. This method is
a. projected
b. non-projected
c. still
d. none
55. The environment of lively classroom is
a. pin drop silence
b. laughter of student
c. student teacher interaction
d. none
56. Objectives representing the purpose of instruction of a teacher are called
a. instructional
b. performance
c. attainment
d. none
57. Student’s performance is compared with clearly defined learning tasks in
a. norm referenced test
b. criterion referenced test
c. objective referenced test
d. none
58. If the scoring of the test is not effected by any factor, quality of test is called
a. reliability
b. objectivity
c. validity
d. none
59. If some specific pattern characteristics are asked in a test then it is
a. intelligence test
b. performance test
c. scholastic test
d. none
60. The educational objectives have been divided into
a. one domain
b. two domain
c. three domain
d. none
61 Physical and motor skills are involved in.
a. affective domain
b. psycho motor domain
c. cognitive domain
d. none
62 The abstract of thesis in a research involve.
a. comprehension
b. analysis
c. application
d.none
63. A plumber manages the good water flow as he knows the fact that water flows from higher level to lower level
a. knowledge
b. applying
c. synthesis
d. none
64. A group of students constantly doing mischief and distracting the class.What should you do as a teacher
a. isolate the students
b. ask them for introspection and give them opportunity to improve themselves
c. punish them using your authority
d. none
65. On your first day if student ask you about yourself then
a. send them to principle
b. introduce yourself in a brief way
c. ask them to meet after the class
d. none
66. Which is not informal
a. observation
b. project
c. rubric
d.none
67. Micro teaching is a type of
a. teacher education
b. teacher training
c. simple training
d. none
68 When learners ask questions from teacher during class and teacher assess their learning , this method is called .
a. formative assessment
b. assertive assessment
c. feedback
d. none
69 When teacher finds weakness of a student and tries to improve it , is called .
a. diagnostic evaluation
b. placement evaluation
c. evaluation as a whole
d. none
70. Students are active in
a. inquiry based learning
b. discussion
c. question answer method
d. all
71. Which is more suitable for teaching science
a. lecture method
b. project method
c. demonstration method
d. none
72. Students explore themselves in
a. lecture method
b. Discovery method
c. both
d. none
73. When an emergency problem emerges in class
a. resticate the offensive material
b. give a serious look to students
c. give disapproval by shaking head
d. none
74. A teacher is a facilitator in
a. lecture method
b. project method
c. both
d. none
75. When a teacher gave instructions he is basically a
a. Instructor
b. Formal authority
c. can be said both
d. none
76. When a student completes a picture diagram of assembly of of parts of body he is using
a. knowledge
b. application
c. synthesis
d. none
77. If a teacher want to include moral character in student’s learning , he should
a. gave first a complete lecture on moral support
b. practice moral values himself
c. implent first to principal or staff as they are role models
d. none
78. Synonym of Culpable
a. Impeccable
b. Blameworthy
c. Innocent
d. none
79. Synonym of Urbane
a. bold
b. refined`
c. taunty
d. none
80. Synonym of fecund
a. fertile
b. sterile
c. unfruitful
d. none
81. Synonym of Malleable
a. hard
b. ductile
c. bruttle
d. none
82. Synonym of hackneyed
a. hectic
b. overused
c. fatty
d. none