Question Bank
APPSC Junior Lecturer Exam Paper 2 (Chemistry) - English
Duration: 150 · Questions: 150 · Max Marks: 150 · Language: 1
Concerned Subject (Chemistry)
1
Which quantum number determines the size of an orbital?
2
Which quantum number describes the shape of an orbital?
3
Which quantum number gives the orientation of an orbital in space?
4
Which quantum number has only two possible values?
5
The value of azimuthal quantum number (l) for s-orbital is?
6
How many orbitals are present in p-subshell?
7
Total number of orbitals in d-subshell is?
8
Maximum number of electrons in a shell is given by?
9
Which orbital has spherical shape?
10
Which rule explains pairing of electrons in orbitals?
11
Aufbau principle is based on?
12
Which orbital is filled after 3p according to Aufbau rule?
13
The maximum electrons in p-subshell are?
14
Which principle states that no two electrons have same set of quantum numbers?
15
Number of nodal planes in p-orbital is?
16
Which subshell has maximum penetration power?
17
Which orbital has dumbbell shape?
18
Which subshell has highest energy in the same shell?
19
Degeneracy of p-orbitals means?
20
Total number of electrons in f-subshell is?
21
The value of magnetic quantum number ranges from?
22
Which orbital has clover-leaf shape?
23
Which orbital has maximum number of nodal planes?
24
Which rule explains extra stability of half-filled orbitals?
25
The electronic configuration of Cr shows anomaly due to?
26
Which orbital is lowest in energy?
27
Which orbital has zero angular momentum?
28
Which quantum number decides energy in multi-electron atoms?
29
The order of increasing energy is?
30
Which orbital has two nodal planes?
31
Maximum electrons in d-subshell are?
32
The number of orbitals in f-subshell is?
33
Which orbital penetration order is correct?
34
The shape of 3d orbitals is?
35
Which orbital does not exist?
36
Which quantum number indicates spin direction?
37
Which orbital has maximum shielding effect?
38
The probability of finding electron is maximum at nucleus for?
39
The nodal plane passes through nucleus in which orbital?
40
Total orbitals in third shell are?
41
Which orbital has highest angular momentum?
42
Electronic configuration depends on?
43
Which orbital is filled last in 3rd shell?
44
The value of l for f-orbital is?
45
Which orbital has four lobes?
46
Which orbital has no nodal plane?
47
The energy of orbital increases with increase in?
48
Which principle violates electron pairing in same orbital?
49
The shape of electron cloud represents?
50
Which orbital is most stable?
51
Which orbital has maximum probability density away from nucleus?
52
Which quantum number determines the energy of an electron in hydrogen atom?
53
The number of radial nodes in 3s orbital is?
54
The number of radial nodes in 3p orbital is?
55
The number of radial nodes in 3d orbital is?
56
Total number of angular nodes is equal to?
57
Which orbital has both radial and angular nodes?
58
Which orbital has only radial nodes?
59
Which orbital has no radial node?
60
Which shell has maximum number of subshells?
61
Maximum electrons in M shell are?
62
Which shell has 16 electrons maximum?
63
The azimuthal quantum number for d-orbital is?
64
Which orbital has maximum number of electrons?
65
Which orbital is symmetrical about all three axes?
66
The electron density is zero at nucleus for which orbital?
67
Which orbital experiences maximum shielding?
68
Which subshell is filled last according to (n + l) rule?
69
Which orbital is more penetrating than 3p?
70
Which atom shows exceptional electronic configuration?
71
Which element shows fully filled d-subshell in ground state?
72
Which orbital has maximum probability at nucleus?
73
Which quantum number can never be zero?
74
Which orbital has two angular nodes?
75
Which subshell has maximum exchange energy?
76
Which orbital has highest energy in 4th shell?
77
Which orbital has three angular nodes?
78
Which orbital has maximum degeneracy?
79
Which subshell has zero degeneracy?
80
The number of electrons in completely filled N-shell is?
81
Degree of hydrolysis a increases with?
82
Ka of weak acid and Kb of conjugate base related by?
83
pH of salt solution depends on?
84
Hydrolysis of KCN gives?
85
Hydrolysis constant Kh for basic salt?
86
Strong acid + weak base salt undergoes?
87
Weak acid + strong base salt undergoes?
88
Hydrolysis constant Kh for acidic salt?
89
Common ion effect decreases?
90
Ionic product of water increases with?
91
Strong acid-strong base salt solution is?
92
Weak acid-weak base salt pH depends on?
93
Fractional ionization a decreases by?
94
Buffers resist pH change due to?
95
Neutral solution pH at 25°C?
96
Buffer solution resists change in?
97
Acidic buffer is made of?
98
Basic buffer is made of?
99
pH of acidic buffer solution?
100
pH of basic buffer solution?
101
Buffer capacity increases with?
102
pH change in buffer occurs when?
103
Basic buffer pH calculation depends on?
104
Buffers maintain pH by?
105
Strong base added to acidic buffer reacts with?
106
Strong acid added to basic buffer reacts with?
107
Strong base added to basic buffer reacts with?
108
pH of buffer depends mainly on?
109
pH of acidic buffer increases when?
110
pH of basic buffer decreases when?
111
Maximum buffer capacity occurs at pH?
112
Buffer solution pH is independent of?
113
pH meter measures?
114
Universal indicator measures?
115
Buffer capacity depends on?
116
pH of blood?
117
pH of stomach juice?
118
Buffer action prevents?
119
Respiratory acidosis is corrected by?
120
Metabolic acidosis is corrected by?
121
Acidic buffer effective range?
122
Basic buffer effective range?
123
Buffer solution can neutralize?
124
Addition of strong acid to buffer?
125
Addition of strong base to buffer?
126
Blood buffer maintains pH?
127
Henderson-Hasselbalch equation applies to?
128
pH of solution decreases when?
129
pH of solution increases when?
130
Effective buffer contains?
131
Acidic buffer neutralizes?
132
Basic buffer neutralizes?
133
Buffers resist pH change because?
134
Buffer capacity is maximum when?
135
Buffers are used in?
136
Buffer solution is important in?
137
pH of buffer depends on?
138
Buffer solution prevents?
139
Acidic buffer resists?
140
Basic buffer resists?
141
Buffer solution prepared by?
142
Buffer solution maintains?
143
Catalysis is defined as?
144
Substance that increases reaction rate without being consumed is called?
145
Homogeneous catalysis occurs when?
146
Heterogeneous catalysis occurs when?
147
Enzyme catalysis is?
148
Positive catalysis?
149
Negative catalysis?
150
Promoter in catalysis?