AP-EAPCET SERIES Chemistry
Periodic Table
22 previous year questions.
Volume: 22 Ques
Yield: High
High-Yield Trend
9
2025 1
2024 12
2023 Chapter Questions 22 MCQs
01
PYQ 2023
medium
chemistry ID: ap-eapce
Consider the following two statements:
Statement I: Among Mg, Al, Mg , Al , the one having smallest size is Al
Statement II: Eu is having exceptionally high atomic radii among lanthanide elements The correct answer is:
1
Both statements I and II are correct
2
Both statements I and II are not correct
3
Statement I is correct but statement II not correct
4
Statement I is not correct but statement II is correct
02
PYQ 2023
medium
chemistry ID: ap-eapce
Match the following
List-I (Elements)
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Noble gases
List-II (Valence shell Configuration)
I.
II.
III.
IV.
List-I (Elements)
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Noble gases
List-II (Valence shell Configuration)
I.
II.
III.
IV.
1
A - I, B - II, C - III, D - IV
2
A - IV, B - III, C - II, D - I
3
A - II, B - I, C - III, D - IV
4
A - IV, B - I, C - III, D - II
03
PYQ 2023
medium
chemistry ID: ap-eapce
The IUPAC symbol for the element with atomic number 108 is
1
Hs
2
Bh
3
Mt
4
Sg
04
PYQ 2023
medium
chemistry ID: ap-eapce
The element with atomic number 118 will be:
1
Alkali element
2
Lanthanide
3
Noble gas
4
Transition element
05
PYQ 2023
medium
chemistry ID: ap-eapce
Match the following: 
1
A - III, B - I, C - II, D - IV
2
A - III, B - I, C - IV, D - II
3
A-III, B-IV, C-I, D -II
4
A - IV, B - I, C - I, D - III
06
PYQ 2023
medium
chemistry ID: ap-eapce
Which of the following statement(s) is/are correct?
1
LiNO3, Ba(NO3)2 both will give NO2 on heating
2
i only
3
i, ii only
4
i, ii \& iii
07
PYQ 2023
medium
chemistry ID: ap-eapce
Identify the pair of elements with the highest and lowest electronegativity respectively
1
K and Rb
2
I and F
3
F and Fr
4
Fr and Li
08
PYQ 2023
easy
chemistry ID: ap-eapce
The number of metalloids in the following elements are: Si, Mn, B, F, Cu, Ag, K, Sb, As, Na, Ge
1
4
2
5
3
6
4
7
09
PYQ 2023
medium
chemistry ID: ap-eapce
Which one of the following indicates correct order of atomic size of the given elements?
1
Li B F N
2
N F Li B
3
F N B Li
4
Li N B F
10
PYQ 2023
medium
chemistry ID: ap-eapce
The elements with metallic nature in the following are C, Si, Ge, Sn, Pb.
1
Ge, Pb
2
Ge, Sn
3
C, Ge
4
Sn, Pb
11
PYQ 2023
medium
chemistry ID: ap-eapce
Chemistry of lanthanides ( ) is dominated by +3 oxidation state. Which of the following is incorrect?
1
compounds are generally colourless
2
Ionic size of decreases with increasing atomic number
3
Due to large size of ions, the bonding in their compounds is ionic
4
hydroxides are basic in character
12
PYQ 2023
medium
chemistry ID: ap-eapce
The metal and metalloid in the period of the long form of the periodic table are respectively
1
Sb, Sn
2
Ga, As
3
In, Te
4
Si, Ge
13
PYQ 2024
medium
chemistry ID: ap-eapce
The correct order of atomic radii of N, F, Al, Si is:
1
2
3
4
14
PYQ 2025
medium
chemistry ID: ap-eapce
From the following identify the change in which electron gain enthalpy is positive. (g = gas phase):
1
2
3
4
15
PYQ 2025
medium
chemistry ID: ap-eapce
The radius of fourth orbit in ion is pm and radius of third orbit in ion is pm. The value of in pm is:
1
2
3
4
16
PYQ 2025
medium
chemistry ID: ap-eapce
The difference between the radii of and orbit of H-atom is x pm. The difference between the radii of and orbit of ion is y pm. is equal to
1
15:7
2
7:15
3
3:1
4
1:3
17
PYQ 2025
medium
chemistry ID: ap-eapce
a, b, c, d are electromagnetic radiations. Frequencies of a, b, c are Hz, respectively, whereas the wavelength of c, d are 400 nm, 750 nm, respectively. The increasing order of their energies is}
1
b, d, c, a
2
a, b, c, d
3
a, c, b, d
4
b, c, d, a
18
PYQ 2025
medium
chemistry ID: ap-eapce
The radius of fourth orbit in ion is pm and radius of third orbit in ion is pm. The value of in pm is:
1
2
3
4
19
PYQ 2025
medium
chemistry ID: ap-eapce
When a metal surface is irradiated with light of frequency Hz, the kinetic energy of emitted photoelectrons is J. When the same metal is irradiated with light of frequency Hz, the kinetic energy of emitted electrons is J. What is the threshold frequency (in Hz) of the metal?
1
2
3
4
20
PYQ 2025
medium
chemistry ID: ap-eapce
The energy of second Bohr orbit of hydrogen atom is . The energy of the fourth Bohr orbit of the He ion will be
1
2
3
4
21
PYQ 2025
medium
chemistry ID: ap-eapce
The uncertainty in the position of electron ( ) is approximately 100 pm. The uncertainty in momentum (in kg m s ) of an electron is [h = 6.626 Js]
1
2
3
4
22
PYQ 2025
medium
chemistry ID: ap-eapce
The difference between the radii of and orbit of H-atom is x pm. The difference between the radii of and orbit of ion is y pm. is equal to
1
15:7
2
7:15
3
3:1
4
1:3