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NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - NEET MCQ


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15 Questions MCQ Test Chemistry Class 11 - NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks for NEET 2024 is part of Chemistry Class 11 preparation. The NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks questions and answers have been prepared according to the NEET exam syllabus.The NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks below.
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NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 1

Match the atomic numbers given in column I with the block in which the element is placed in colurim II and mark the appropriate choice.

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 1

(A) Z = 62; 4f5d° 6s2 (f-block)
(B) Z = 47; 4d10 5s(d-block)
(C) Z=56; 6s2 (s-block)
(D) Z = 53 ; 5s2 5p5 (p-block)

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 2

Atomic numbers of few elements are given below. Which of the pairs belongs to s-block?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 2

Z = 3; 1s2 2s1 ; Z = 20; 1s2 2s2p3s2 3p6 4s2

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NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 3

Which of the following have the same number of electrons in outermost shell?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 3

Element with atomic number 30 ; [Ar] 3d10 4s2
Element with atomic number 48 ; [Kr] 4d10 5s2
Element with atomic number 80; [Xe] 4f145d106s2

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 4

An element has the electronic configuration
1s2 2s2 2p6 3s2 3p6 3d8 4s2.
What will be its position in.the periodic table?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 4

n = 4 hence, element lies in 4th period.
Group number = ns + (n - 1)d = 2 + 8 =10

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 5

Fill in the blanks bypicking the correct option.
There are _____ groups and _____ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is _____ group. Most electropositive elements belong to _____ group.

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 5

There are 18 groups and 7 periods in periodic table. All members of 18th group are noble gases and first group contains alkali metals which are the most electropositive.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 6

Examples of elements belonging to s, p, d or f-block are given below. Identify the wrong example,

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 6

Barium belongs to s-block with an outer configuration 6s2.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 7

Electronic configurations of few elements are given below. Mark the incorrect match.

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 7

Since n = 2 it belongs to 2nd period.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 8

Few general names are given along with their valence shell configurations. Mark the incorrect name.

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 8

ns2 np2 are members of carbon family.
Chalcogens is the general name of 16th group elements.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 9

Electronic configuration of four elements is given below. Which of the following does not belong to the same group?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 9

It belongs to p-block while other elements belong to d-block and same group.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 10

There are two rows of inner transition elements in the periodic table each containing 1414 elements. The reason for this may be

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 10

For f-orbital, l = 3, ml= 2l + 1 = 7
There are 7 electrons with +1/2 spin and 7 electrons with -1/2 spin. Hence, total electrons are 14.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 11

Part of the periodic table showing p-block is depicted below. What are the elements shown in the zig-zag boxes called? What is the nature of the elements outside this boundary on the right side of the table?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 11

Metalloids are shown by the zig-zag boxes and the elements preseht on the right side of the boundary are non-metals. Metals are present on the left side of the periodic table.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 12

The electronic configuration of few elements is given below. Mark the statement which is not correct about these elements.
(i) 1s22s22p63s1
(ii) 1s22s22p5
(iii) 1s22s22p6
(iv) 1s22s22p3

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 12

(i) is an alkali metal. It readily loses an electron to attain a noble gas configuration.
(iii) is a noble gas. It has completed its octet.
Highly electropositive (i) and highly electronegative (ii) form ionic compounds.
(iv) has high ionization enthalpy as removal of an electron will break half-filled 2p subshell.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 13

Which of the following is not correct statement for periodic classification of elements?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 13

In the periodic classification of elements: The properties of elements are the periodic functions of their atomic number. Non-metallic elements are less in number than metallic elements. For transition elements, the last electron enters into (n - 1) d-subshell.

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 14

Indicate the wrong statement on the basis of the periodic table.

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 14

There are three transition series,each containing 10 elements.The fourth has incomplete position hence discussed with f-Block elements

NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 15

Which is the most non-metallic element among the following?

Detailed Solution for NCERT Based Test: Electronic Configurations & Types of Elements; s, p, d & f-Blocks - Question 15

It contains maximum number of electrons in the outermost shell. An element with more than 3 electrons in outermost shell is non-metallic.

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