Chemistry MCQs for Class 11 with Answers Chapter 3 Classification of Elements and Periodicity in Properties

Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties with Answers Pdf free download. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. We have provided Classification of Elements and Periodicity in Properties Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well.


Q.1 Which of the following has the highest boiling point?

(a) Ne
(b) Xe
(c) Ar
(d) Kr

(b) Xe


Q.2 The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:

(a) 16, 5 and 2
(b) 15, 5 and 3
(c) 16, 6 and 3
(d) 15, 6 and 2

(b) 15, 5 and 3


Q.3 The d-block elements consists mostly of

(a) Monovalent metals
(b) All non-metals
(c) Elements which generally form stoichiometric metal oxide
(d) Many metals with catalytic properties

(d) Many metals with catalytic properties


Q.4 The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups. Its reason is:

(a) Both are found together in nature
(b) Both have nearly the same size
(c) Both have similar electronic configuration
(d) The ratio of their charge and size (i.e. charge density) is nearly the same

(d) The ratio of their charge and size (i.e. charge density) is nearly the same


Q.5 The element with atomic number 35 belongs to

(a) d – Block
(b) f – Block
(c) p – Block
(d) s – Block

(c) p – Block


Q.6 The correct order of first ionization potential among following elements, Be, B, C, N and O is

(a) B < Be < C < O < N
(b) B < Be < C < N < O
(c) Be < B < C < N < O
(d) Be < B < C < O < N

(a) B < Be < C < O < N


Q.7 In the periodic table, the element with atomic number 16 will be placed in the group

(a) Third
(b) Fourth
(c) Fifth
(d) Sixth

(d) Sixth


Q.8 Representative elements are those which belong to

(a) p and d – Block
(b) s and d – Block
(c) s and p – Block
(d) s and f – Block

(c) s and p – Block


Q.9 Which of the following properties generally decreases along a period?

(a) Ionization Energy
(b) Metallic Character
(c) Electron Affinity
(d) Valency

(b) Metallic Character


Q.10 Which pair of elements belongs to same group?

(a) Elements with atomic no. 17 and 38
(b) Elements with atomic no. 20 and 40
(c) Elements with atomic no. 17 and 53
(d) Elements with atomic no. 11 and 33

(c) Elements with atomic no. 17 and 53


Q.11 The most electronegative element of the periodic table is

(a) Iodine
(b) Sulphur
(c) Oxygen
(d) Fluorine

(d) Fluorine


Q.12 On the Paulings electronegativity scale the element next to F is

(a) N
(b) Cl
(c) O
(d) Ne

(c) O


Q.13 In the third period of the Periodic Table the element having smallest size is

(a) Na
(b) Ar
(c) Cl
(d) Si

(b) Ar


Q.14 The element with highest second ionization energy is

(a) Cl
(b) S
(c) Na
(d) Mg

(c) Na


Q.15 The reduction in atomic size with increase in atomic number is a characteristic of elements of-

(a) d−block
(b) f−block
(c) Radioactive series
(d) High atomic masses

(b) f−block


Q.16 Which of the following properties generally decreases along a period?

(a) Ionization Energy
(b) Metallic Character
(c) Electron Affinity
(d) Valency

(b) Metallic Character


Q.17 The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:

(a) 16, 5 and 2
(b) 15, 5 and 3
(c) 16, 6 and 3
(d) 15, 6 and 2

(b) 15, 5 and 3


Q.18 Increasing order of electronegativity is

(a) Bi < P < S < Cl
(b) P < Bi < S < Cl
(c) S < Bi < P < Cl
(d) Cl < S < Bi < P

(a) Bi < P < S < Cl


Q.19 Which of the following statement is correct with respect to the property of elements with an increase in atomic number in the carbon family (group 14)

(a) Atomic size decrease
(b) Ionization energy increase
(c) Metallic character decrease
(d) Stability of +2 oxidation state increase

(d) Stability of +2 oxidation state increase


Q.20 In the modern periodic table , the period indicates the value of:

(a) Atomic Number
(b) Atomic Mass
(c) Principal Quantum Number
(d) Azimuthal Quantum Number

(c) Principal Quantum Number


Q.21 According to the periodic law of elements the variation in properties of elements is related to their

(a) nuclear neutron-proton number ratio
(b) atomic masses
(c) nuclear masses
(d) atomic numbers

(d) atomic numbers


We hope the given NCERT MCQ Questions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top