Periodic Table & Periodicity PYQs - Last 10 Years
JEE Main / Chemistry / Inorganic Chemistry / 156 recent questions
ChemistryInorganic Chemistry2017-2026
Practice 156 JEE Main Chemistry questions from Periodic Table & Periodicity. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
156
PYQs on Page
Chemistry / Inorganic Chemistry
2017-2026
Year Range
Based on indexed question metadata
102
Last 5 Years
2022-2026
156
Last 10 Years
2017-2026
Recent Year Trend
2021
2022
2023
2024
2025
2026Latest year
202128 max PYQs/year2026
Question Types
156PYQs
MCQ96.8%
INTEGER3.2%
Difficulty Mix
#1 Easy89
#2 Medium67
102 in last 5 years156 in last 10 years
Last 10 Years Periodic Table & Periodicity Questions
Showing 50 of 156 filtered questions.
1Periodic Table And Periodicity
The first ionization enthalpies of Be, B, N and O follow the order
MCQ+4 / -12022
2Periodic Table And Periodicity
Given below are the oxides:
Na2O, As2O3, N2O, NO and Cl2O7
Number of amphoteric oxides is :
Na2O, As2O3, N2O, NO and Cl2O7
Number of amphoteric oxides is :
MCQ+4 / -12022
3Periodic Table And Periodicity
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : Metallic character decreases and non-metallic character increases on moving from left to right in a period.Reason (R) ...
MCQ+4 / -12021
4Periodic Table And Periodicity
Match List - I with List - II :
List - I
List - II
(a)
NaOH
(i)
Acidic
(b)
\(Be{(OH)_2}\)
(ii)
Basic
(c)
\(Ca{(OH)_2}\)
(iii)
Amphoteric
(d)...
List - I
List - II
(a)
NaOH
(i)
Acidic
(b)
\(Be{(OH)_2}\)
(ii)
Basic
(c)
\(Ca{(OH)_2}\)
(iii)
Amphoteric
(d)...
MCQ+4 / -12021
5Periodic Table And Periodicity
The correct order of first ionisation enthalpy is :
MCQ+4 / -12021
6Periodic Table And Periodicity
The correct order of ionic radii for the ions, P3\(-\), S2\(-\), Ca2+, K+, Cl\(-\) is :
MCQ+4 / -12021
7Periodic Table And Periodicity
Match List - I with List - II.
List I Electronic configuration
List II \({\Delta _i}H\) in kJ \(mo{l^{ - 1}}\)
(a)
\(1{s^2}2{s^2}\)
(i)
801
(b)
\(1{s^2}2{s^2}2{p^4}\)
(ii)
...
List I Electronic configuration
List II \({\Delta _i}H\) in kJ \(mo{l^{ - 1}}\)
(a)
\(1{s^2}2{s^2}\)
(i)
801
(b)
\(1{s^2}2{s^2}2{p^4}\)
(ii)
...
MCQ+4 / -12021
8Periodic Table And Periodicity
Which pair of oxides is acidic in nature?
MCQ+4 / -12021
9Periodic Table And Periodicity
The correct order of electron gain enthalpy is :
MCQ+4 / -12021
10Periodic Table And Periodicity
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : Barium carbonate is insoluble in water and is highly stable.Reason (R) : The thermal stability of the carbonates incre...
MCQ+4 / -12021
11Periodic Table And Periodicity
The ionic radii of K+, Na+, Al3+ and Mg2+ are in the order:
MCQ+4 / -12021
12Periodic Table And Periodicity
The ionic radii of F\(-\) and O2\(-\) respectively are 1.33\(\mathop A\limits^o\) and 1.4\(\mathop A\limits^o\), while the covalent radius of N is 0.74\(\mathop A\limits^o\).The correct statement for the ionic radius of N3\(-\) from the ...
MCQ+4 / -12021
13Periodic Table And Periodicity
The correct order of bond dissociation enthalpy of halogens is :
MCQ+4 / -12021
14Periodic Table And Periodicity
Consider the elements Mg, Al, S, P and Si, the correct increasing order of their first ionization
enthalpy is :
enthalpy is :
MCQ+4 / -12021
15Periodic Table And Periodicity
Number of amphoteric compounds among the following is ________.
(A) BeO
(B) BaO
(C) Be(OH)2
(D) Sr(OH)2
(A) BeO
(B) BaO
(C) Be(OH)2
(D) Sr(OH)2
INTEGER+4 / -12021
16Periodic Table And Periodicity
Which one of the following statements for D.I. Mendeleeff, is incorrect?
MCQ+4 / -12021
17Periodic Table And Periodicity
The ionic radius of Na+ ions is 1.02 \(\mathop A\limits^o\). The ionic radii (in \(\mathop A\limits^o\)) of Mg2+ and Al3+, respectively, are
MCQ+4 / -12021
18Periodic Table And Periodicity
The first ionization energy of magnesium is smaller as compared to that of elements X and Y, but higher than that of Z. The elements X, Y and Z, respectively, are :
MCQ+4 / -12021
19Periodic Table And Periodicity
The absolute value of the electron gain enthalpy of halogens satisfies :
MCQ+4 / -12021
20Periodic Table And Periodicity
Identify the elements X and Y using the ionisation energy values given below :
Ionization energy (kJ/mol)
1\({st}\)
2\({nd}\)
X
495
4563
Y
731
1450
Ionization energy (kJ/mol)
1\({st}\)
2\({nd}\)
X
495
4563
Y
731
1450
MCQ+4 / -12021
21Periodic Table And Periodicity
The characteristics of elements X, Y and Z with atomic numbers, respectively, 33, 53 and 83 are :
MCQ+4 / -12021
22Periodic Table And Periodicity
B has a smaller first ionization enthalpy than
Be. Consider the following statements :
(I) It is easier to remove 2p electron than 2s
electron
(II) 2p electron of B is more shielded from the
nucleus by the inner core of electrons than
the 2...
Be. Consider the following statements :
(I) It is easier to remove 2p electron than 2s
electron
(II) 2p electron of B is more shielded from the
nucleus by the inner core of electrons than
the 2...
MCQ+4 / -12020
23Periodic Table And Periodicity
The electronic configurations of bivalent
europium and trivalent cerium are
(atomic number : Xe = 54, Ce = 58, Eu = 63)
europium and trivalent cerium are
(atomic number : Xe = 54, Ce = 58, Eu = 63)
MCQ+4 / -12020
24Periodic Table And Periodicity
The acidic, basic and amphoteric oxides,
respectively, are :
respectively, are :
MCQ+4 / -12020
25Periodic Table And Periodicity
The first and second ionisation enthalpies of a
metal are 496 and 4560 kJ mol–1, respectively.
How many moles of HCl and H2SO4,
respectively, will be needed to react completely
with 1 mole of the metal hydroxide ?
metal are 496 and 4560 kJ mol–1, respectively.
How many moles of HCl and H2SO4,
respectively, will be needed to react completely
with 1 mole of the metal hydroxide ?
MCQ+4 / -12020
26Periodic Table And Periodicity
The third ionization enthalpy is minimum for :
MCQ+4 / -12020
27Periodic Table And Periodicity
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively, are :
MCQ+4 / -12020
28Periodic Table And Periodicity
The increasing order of the atomic radii of the
following elements is :-
(a) C (b) O (c) F (d) Cl
(e) Br
following elements is :-
(a) C (b) O (c) F (d) Cl
(e) Br
MCQ+4 / -12020
29Periodic Table And Periodicity
The electron gain enthalpy (in KJ/mol) of fluorine, chlorine, bromine and iodine, respectively are:
MCQ+4 / -12020
30Periodic Table And Periodicity
Within each pair of elements F & Cl, S & Se, and Li & Na, respectively, the elements that release
more energy upon and electron gain are :
more energy upon and electron gain are :
MCQ+4 / -12020
31Periodic Table And Periodicity
The atomic number of Unnilunium is _______.
INTEGER+4 / -02020
32Periodic Table And Periodicity
The correct order of the ionic radii of O2–, N3–, F–
, Mg2+, Na+ and Al3+ is :
, Mg2+, Na+ and Al3+ is :
MCQ+4 / -12020
33Periodic Table And Periodicity
The ionic radii of O2–, F–, Na+ and Mg2+ are in
the order :
the order :
MCQ+4 / -12020
34Periodic Table And Periodicity
The atomic number of the element unnilennium is :
MCQ+4 / -12020
35Periodic Table And Periodicity
Among the statements (I – IV), the correct ones
are:
(I) Be has smaller atomic radius compared to
Mg.
(II) Be has higher ionization enthalpy than Al.
(III) Charge/radius ratio of Be is greater than
that of Al.
(IV) Both Be and Al form mainl...
are:
(I) Be has smaller atomic radius compared to
Mg.
(II) Be has higher ionization enthalpy than Al.
(III) Charge/radius ratio of Be is greater than
that of Al.
(IV) Both Be and Al form mainl...
MCQ+4 / -12020
36Periodic Table And Periodicity
The five successive ionization enthalpies of an
element are 800, 2427, 3658, 25024 and 32824
kJ mol–1. The number of valence electrons in
the element is :
element are 800, 2427, 3658, 25024 and 32824
kJ mol–1. The number of valence electrons in
the element is :
MCQ+4 / -12020
37Periodic Table And Periodicity
In general the property (magnitudes only) that
show an opposite trend in comparison to other
properties across a period is
show an opposite trend in comparison to other
properties across a period is
MCQ+4 / -12020
38Periodic Table And Periodicity
Three elements X, Y and Z are in the 3rd period
of the periodic table. The oxides of X, Y and Z,
respectively, are basic, amphoteric and acidic.
The correct order of the atomic numbers of X,
Y and Z is :
of the periodic table. The oxides of X, Y and Z,
respectively, are basic, amphoteric and acidic.
The correct order of the atomic numbers of X,
Y and Z is :
MCQ+4 / -12020
39Periodic Table And Periodicity
In general, the properties that decrease and increase down a group in the periodic table, respectively, are :
MCQ+4 / -12019
40Periodic Table And Periodicity
Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in + 1 and + 3 oxidation states. This is due to :
MCQ+4 / -12019
41Periodic Table And Periodicity
When the first electron gain enthalpy \(\left( {{\Delta _{eg}}H} \right)\) of oxygen is \(-\) 141 kJ/mol, its second electron gain enthalpy is :
MCQ+4 / -12019
42Periodic Table And Periodicity
The element having greatest difference between
its first and second ionization energies, is :
its first and second ionization energies, is :
MCQ+4 / -12019
43Periodic Table And Periodicity
The lathanide ion that would show colour is :
MCQ+4 / -12019
44Periodic Table And Periodicity
The size of the iso-electronic species Cl–, Ar and Ca2+ is affected by :
MCQ+4 / -12019
45Periodic Table And Periodicity
The IUPAC symbol for the element with atomic
number 119 would be :
number 119 would be :
MCQ+4 / -12019
46Periodic Table And Periodicity
The element with Z = 120 (not yet discovered) will be an/a -
MCQ+4 / -12019
47Periodic Table And Periodicity
In comparison to boron, berylium has :
MCQ+4 / -12019
48Periodic Table And Periodicity
Among the following, the energy of 2s orbital is lowest in :
MCQ+4 / -12019
49Periodic Table And Periodicity
The correct order of the atomic radii of C, Cs, Al, and S is :
MCQ+4 / -12019
50Periodic Table And Periodicity
The correct option with respect to the Pauling electronegativity values of the element is :
MCQ+4 / -12019