Trends in Chemical Properties, Class 11 Chemistry NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Lithium shows diagonal relationship with which element?

Beryllium

Sodium

Silicon

Magnesium

Your comments:

Question 1 of 20

2. If X is a nonmetal, its oxide X₂O₃ is expected to be a/an ______ oxide.

Acidic

Amphtoteric

Basic

Neutral

Your comments:

Question 2 of 20

3. Consider the following reaction 2A + 3F₂ → 2AF_3.What is the formula for the reaction product if we substitute iodine for fluorine?

A₂I₃

AI₃

AI

A₃I₂

Your comments:

Question 3 of 20

4. The nature of bonds in the compounds of carbon is mostly:

Electrovalent

Covalent as well as electrovalent

Covalent

Metallic

Your comments:

Question 4 of 20

5. Which of these compounds is a basic oxide?

MgO

Cl₂O₇

CO₂

SO₂

Your comments:

Question 5 of 20

6. Amongst the elements of group 17, fluorine is most reactive owing to it's:

High Electro negativity

Small size of the atom

Low dissociation enthalpy of F-F bond

All of the above

Your comments:

Question 6 of 20

7. If x denoted the number of valence electrons of a representative element then its valence is equal to:

x-8

x

8-x

Both option 2 and option 3

Your comments:

Question 7 of 20

8. How many valence electrons does a carbon atom have?

2

3

6

4

Your comments:

Question 8 of 20

9. Aluminium belongs to group 13 and sulphur belongs to group 16 of the periodic table. The compound formed by aluminum and sulphur is:

Al₂S₃

AlS₂

Al₂S₄

Al₃S₂

Your comments:

Question 9 of 20

10. Which pair of elements from different groups resembles each other the most in their chemical properties?

Al and Si

Be and B

Be and C

Al and Be

Your comments:

Question 10 of 20

11. Which element acts as strong reducing agent?

Those elements that can share electron

he elements which readily lose electron

The elements which readily gain electron

None of above

Your comments:

Question 11 of 20

12. Oxygen exhibits +2 oxidation state in the compound:

MgO

Na₂O

OF₂

H₂O

Your comments:

Question 12 of 20

13. On moving down a group the number of valence electrons:

Remains the same

Increases

Decreases and then increases

Decreases

Your comments:

Question 13 of 20

14. In Na₂O oxidation state of oxygen is:

+2

-1

0

+1

Your comments:

Question 14 of 20

15. Among the following oxides, neutral oxide is:

ZnO₂

SiO₂

CO

SnO₂

Your comments:

Question 15 of 20

16. Sodium forms which types of oxides?

Acidic

Basic

Neutral

Amphoteric

Your comments:

Question 16 of 20

17. The element which shows only negative oxidation state/s among following elements is:

Iodine

Fluorine

Bromine

Chlorine

Your comments:

Question 17 of 20

18. The valence of sodium with atomic number 11 is:

4

1

3

2

Your comments:

Question 18 of 20

19. The maximum covalence of the first member of each group is:

4

6

8

2

Your comments:

Question 19 of 20

20. Group 2 elements are:

Reducing agents

Neither oxidizing nor reducing agents

Oxidizing as well as reducing agents

Oxidizing agents

Your comments:

Question 20 of 20

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