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Test: s, p, d & f-block Elements - NEET MCQ


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20 Questions MCQ Test Chemistry Class 11 - Test: s, p, d & f-block Elements

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

Elements of Group-1 are called:

Detailed Solution for Test: s, p, d & f-block Elements - Question 1

Elements of group 1, i.e. Li, Na, K, Rb, Cs and Fr, are called alkali metals because they react with water to form alkaline solutions. The pH of solutions usually range between 8-12. 

Test: s, p, d & f-block Elements - Question 2

Inert gases belong to which block of the periodic table?

Detailed Solution for Test: s, p, d & f-block Elements - Question 2

The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Their atomic numbers are, respectively, 2, 10, 18, 36, 54, and 86.

Test: s, p, d & f-block Elements - Question 3

The metallic character of group 14 elements:

Detailed Solution for Test: s, p, d & f-block Elements - Question 3

The metallic character of group 14 elements increases from top to bottom because removal of electron becomes easier on moving down the group. Metallic character increases as you move down an element group in the periodic table. This is because electrons become easier to lose as the atomic radius increases, where there is less attraction between the nucleus and the valence electrons because of the increased distance between them.

Test: s, p, d & f-block Elements - Question 4

Which of the following elements belongs to the same group as the element having configuration 1s2 2s2 2p1

Detailed Solution for Test: s, p, d & f-block Elements - Question 4

The electronic configuration of B is 1s2 2s2 2p6 3s2 3p1 and the number of electron in last p orbital is 1 so it belongs to the same group as element with configuration (1s2 2s2 2p1).

Test: s, p, d & f-block Elements - Question 5

Elements of which group are called Halogens?

Detailed Solution for Test: s, p, d & f-block Elements - Question 5

Group 17 elements are called halogens because halogen is a Greek word which means 'salt producing'. Halogens include fluorine, chlorine, bromine, iodine andastatine. They all are non-metals. They react with metals to form compounds called salts.

Test: s, p, d & f-block Elements - Question 6

The oxygen family is also known as:

Detailed Solution for Test: s, p, d & f-block Elements - Question 6

Oxygen family is also known as chalcogen family when the 17 th family is known as halogen family.

Test: s, p, d & f-block Elements - Question 7

The p-block elements constitute elements belonging to which groups?

Detailed Solution for Test: s, p, d & f-block Elements - Question 7

The p-block elements constitute elements belonging to group 13 to 18 and these together with the s-Block elements are called Representative elements.

Test: s, p, d & f-block Elements - Question 8

The transition elements have characteristic electronic configuration which can be represented as:

Detailed Solution for Test: s, p, d & f-block Elements - Question 8

Transition elements are d-block elements and the characteristic electronic configuration of d block element is in option A

Test: s, p, d & f-block Elements - Question 9

The modern periodic table is divided into how many blocks?

Detailed Solution for Test: s, p, d & f-block Elements - Question 9

The periodic table is divided into four blocks that are called s, p, d, and f. Here is an explanation of each block: The s block makes up the first two columns of the periodic table. The elements in this block are all metals, and they react when water is present.

Test: s, p, d & f-block Elements - Question 10

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

Detailed Solution for Test: s, p, d & f-block Elements - Question 10

Fluorine is the highest non metallic element because it has ability to gain electrons then to donate electron because of its small size and brittle attraction to the electron of any other element therefore it gains electron rather than losing electron.

Test: s, p, d & f-block Elements - Question 11

Which of the following is an ionic hydride?

Detailed Solution for Test: s, p, d & f-block Elements - Question 11

Ionic hydrides are commonly known as saline hydrides or pseudohalides. These compounds form between hydrogen and the most active metals, especially with the alkali and alkaline-earth metals of group one and two elements.

 

In this group, the hydrogen acts as the hydride ion (H−). They bond with more electropositive metal atoms. Ionic hydrides are usually binary compounds (i.e., only two elements in the compound) and are also insoluble in solutions. Now I hope you can form your own examples, but common examples are Sodium Hydride (NaH), Lithium hydride (LiH), Potassium hydride (KH) etc.

Test: s, p, d & f-block Elements - Question 12

The elements are classified into four blocks depending on:

Detailed Solution for Test: s, p, d & f-block Elements - Question 12

Elements in the long form of periodic table have been divided into four blocks i.e. s ,p ,d and f. This division is based upon the name of the orbitals which receives the last electron. 1)Elements in which the last electron enters the s orbital of their respective outermost shells are called s block elements.

Test: s, p, d & f-block Elements - Question 13

Which block of the periodic table contains the man made elements?

Detailed Solution for Test: s, p, d & f-block Elements - Question 13

Most of the f block elements, lanthanoids and actinoids are man made/synthetic/prepared in the lab. Especially actinoids.

Test: s, p, d & f-block Elements - Question 14

Boric acid is an acid because its molecule

Detailed Solution for Test: s, p, d & f-block Elements - Question 14

Because of the small size of boron atom and presence of only six electrons in its valence shell, B(OH)3 accepts a pair of electrons from OH- ion of H20, releasing a proton. 

Test: s, p, d & f-block Elements - Question 15

Alkaline earth metals include:

Detailed Solution for Test: s, p, d & f-block Elements - Question 15

Group 1-Alkali metal,
group2- Alkali earth metals

Test: s, p, d & f-block Elements - Question 16

Identify the element belonging to third period and 17th group of the periodic table.

Detailed Solution for Test: s, p, d & f-block Elements - Question 16

There are two elements in the 1st period and eight elements in the 2nd period., The third period starts with the element with Z = 11(sodium). Now, there are nine  elements in the third period. Thus, the 3rd period ends with the element with Z = 18(argon) i.e., the element in the 18th group of the third period has Z = 18. Hence, the element in the 17th group of the third period has atomic number Z = 17 ,chlorine(Cl) with atomic mass 35.453, which is a p block element.

Test: s, p, d & f-block Elements - Question 17

Which one of the following configuration represents a metallic character?

Detailed Solution for Test: s, p, d & f-block Elements - Question 17

Option ‘a’ represents metallic character of Mg. All others remaining represent nonmetals and metalloids.

Test: s, p, d & f-block Elements - Question 18

Which of the following elements are called representative elements?

Detailed Solution for Test: s, p, d & f-block Elements - Question 18

The elements of "s" and "p" blocks except "d" group elements are called as representative elements. Their outer shells are not completely filled with electrons. The elements get the nearest inert gas configuration by losing or gaining or sharing of electrons. 

Test: s, p, d & f-block Elements - Question 19

Which of the following pairs have both the members from the same group of periodic table?

Detailed Solution for Test: s, p, d & f-block Elements - Question 19

The elements in the group include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Test: s, p, d & f-block Elements - Question 20

Choose the correct statement:

Detailed Solution for Test: s, p, d & f-block Elements - Question 20

The non metallic character decreases down the group.And we know the oxides of non-metal r acidic in genral.Hence acidic character of oxides decreases down d group. Down the group the size of the element increases, electronegativity decreases ,metallic character increases and hence the acidic character decrease.

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