Exam-Style Online Test | 11 Chemistry: P-Block Elements

Class 11 Chemistry — Chapter 11: P-Block Elements Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Chemistry: P-Block Elements Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. The reaction of elemental Silicon () with aqueous produces gas, but is unreactive toward dilute . This contrasting reactivity implies that is a substance with which characteristic chemical property?

2 / 20

2. The chemical equation describes the etching of glass (silica). In this reaction, the role of is unique because:

3 / 20

3. The ratio in a zeolite affects its properties. A higher ratio (e.g., vs. ):

4 / 20

4. Industrial production of is often a major byproduct of which large-scale chemical process involving calcium carbonate ()?

5 / 20

5. Single-walled carbon nanotubes (SWCNTs) are often bundled together into ropes. The individual tubes within a rope are held together by:

6 / 20

6. What is the total number of covalent bonds (single and double) present in the molecule?

7 / 20

7. Which statement is true regarding the acidity/hydrolysis of the oxides of Carbon and Silicon in the presence of strong base?

8 / 20

8. In the triple bond, how many bonds are present?

9 / 20

9. Which mineral is the most abundant compound of Silicon on the Earth's crust?

10 / 20

10. The chemical name of Borax () is:

11 / 20

11. Kernite (or Rasorite) is the second most important ore of boron. What is its chemical formula?

12 / 20

12. The first element of each p-block group shows anomalous behavior. This is primarily due to:

13 / 20

13. The first ionization enthalpy () of Group 13 elements shows a complex trend. What is the correct order?

14 / 20

14. The bond length in (130 pm) is shorter than expected for a single bond. This is attributed to:

15 / 20

15. The bridge bond angle () in diborane is approximately:

16 / 20

16. When reacts with a Lewis base such as ammonia (), what is the term for the resulting product?

17 / 20

17. The ionization enthalpy () generally decreases down a group. For Group 14, which element exhibits a slight increase in the first ionization enthalpy compared to the element immediately preceding it?

18 / 20

18. The stability of double bonds over single bonds is quantified by the difference in their bond enthalpies. For , the average bond enthalpy of is approximately:

19 / 20

19. How does the stability of multiple bonds compare to that of hypothetical multiple bonds?

20 / 20

20. The discovery of Buckminsterfullerene () in 1985 led to the awarding of the Nobel Prize in Chemistry in 1996 to which trio of scientists?

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: P-Block Elements Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. Following up on the previous question, how many six-membered rings (hexagons) are present in the molecule?

2 / 30

2. Which of the following compounds of Silicon is unstable and highly reactive, contrasting with the stable double-bonded organic compounds of Carbon?

3 / 30

3. The most significant reason for the differences in the chemical properties of Carbon compared to Silicon is:

4 / 30

4. The presence of a completely filled -subshell in Gallium () leads to:

5 / 30

5. What is the "inert pair effect"?

6 / 30

6. In the excited state, an element with the general configuration promotes an electron to achieve a valency of 4. What is the resulting hybridization in a simple tetravalent compound like ?

7 / 30

7. In which of the following natural states does carbon primarily exist in the atmosphere?

8 / 30

8. The empirical formula of Orthoboric acid is . What is the corresponding general formula for the acid derived from Boron trioxide ()?

9 / 30

9. Borax is widely used as a flux in metallurgy (e.g., soldering or welding). The function of Borax as a flux is to:

10 / 30

10. Why is the atomic radius of Gallium (Ga) surprisingly smaller than that of Aluminium (Al)?

11 / 30

11. The stability of double bonds over single bonds is quantified by the difference in their bond enthalpies. For , the average bond enthalpy of is approximately:

12 / 30

12. Carbon () forms (carbon monoxide), a stable compound in the +2 oxidation state. Which factor contributes to the stability of despite Carbon's strong preference for the +4 state?

13 / 30

13. How many valence electrons are present in the elements of the Boron family?

14 / 30

14. Which element, due to its size difference from Oxygen, primarily forms stable bonds (if any), rather than bonds?

15 / 30

15. Due to its inability to form stable bonds, Silicon is prone to reacting with nucleophiles like water. This reaction is called:

16 / 30

16. When hydrated aluminium chloride, , is heated strongly in air, what is the major stable solid product formed?

17 / 30

17. The unique bonding in diborane () involves the formation of bonds. What are these bonds commonly called?

18 / 30

18. Moving down Group 14 (C to Pb), how does the change in atomic radius typically proceed?

19 / 30

19. What is the fundamental difference in bonding that allows Carbon to form stable and multiple bonds, while the other elements in Group 14 primarily form single bonds, hindering their catenation potential?

20 / 30

20. Which reaction type is used to prepare the monomer (dialkyldichlorosilane) from elemental silicon and alkyl halide () in the presence of copper powder as a catalyst (Rochow Process)?

21 / 30

21. When water is added to calcium carbide (), the products are calcium hydroxide () and acetylene gas (). This reaction is specifically classified as:

22 / 30

22. The formation of (Silicon Carbide, Carborundum) from (sand) and (coke) at represents which type of high-temperature synthesis reaction?

23 / 30

23. Boron is the only element in Group 13 that:

24 / 30

24. The bond length in (130 pm) is shorter than expected for a single bond. This is attributed to:

25 / 30

25. Which statement accurately compares the hydrolysis of the tetrachlorides of Carbon and Silicon?

26 / 30

26. Which of the following statements correctly describes the bonding ability that is unique to Carbon within Group 14?

27 / 30

27. Why is graphene considered to be a much more promising material than graphite for transparent, flexible electronic devices?

28 / 30

28. A fundamental reaction in the synthesis of elemental silicon involves the reduction of silica: . In this reaction, the is:

29 / 30

29. The thickness of a graphene sheet is defined by the diameter of a single atom. Approximately how thick is a sheet of graphene?

30 / 30

30. The ionization enthalpy () generally decreases down a group. For Group 14, which element exhibits a slight increase in the first ionization enthalpy compared to the element immediately preceding it?

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: P-Block Elements Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. The greenhouse effect is caused by certain gases in the atmosphere absorbing and re-emitting which type of radiation emitted from the Earth's surface?

2 / 50

2. The major source of high-purity Carbon Monoxide () for specific industrial chemical syntheses (like the preparation of metal carbonyls) is through the dehydration of which acid using concentrated sulfuric acid?

3 / 50

3. Borane (), the monomer of diborane, is highly unstable at room temperature because:

4 / 50

4. How many valence electrons surround the central aluminium atom in a gaseous monomer, and what does this imply about its properties?

5 / 50

5. When Carbon is heated with concentrated nitric acid (), the products are , , and . In this reaction, the acts as:

6 / 50

6. Which application of silicones makes direct use of their property as an electrical insulator?

7 / 50

7. Although is highly unreactive, it is attacked by concentrated hot sodium hydroxide (). The products of this reaction are:

8 / 50

8. What type of intermolecular forces holds the parallel hexagonal layers of graphite together?

9 / 50

9. Solid Carbon Dioxide, known as 'dry ice,' has a significant advantage over ordinary ice for cooling due to which unique physical process?

10 / 50

10. Unlike , the hydrolysis of proceeds rapidly. If (Germanium tetrachloride) were subjected to the same conditions, what would be the expected relative rate of hydrolysis compared to ?

11 / 50

11. Multi-walled carbon nanotubes (MWCNTs) consist of several concentric tubes. The distance between these concentric walls is closest to the interlayer spacing found in:

12 / 50

12. Unlike other Group 13 elements, Boron forms stable hydrides called boranes (e.g., Diborane, ). What is a key feature of these compounds?

13 / 50

13. Orthoboric acid () can be prepared by treating Borax () with:

14 / 50

14. What is the hybridization of the Boron atom in the anion formed when orthoboric acid reacts with water?

15 / 50

15. Graphite is an excellent conductor of electricity. This property is due to the presence of:

16 / 50

16. Silicones can exist in various physical forms, ranging from viscous liquids (oils) to rubbery solids (elastomers) and hard resins. The final form of the silicone material is primarily determined by:

17 / 50

17. The correct structural representation of the tetraborate anion present in crystalline Borax () is:

18 / 50

18. What is the fundamental building block of all silicate minerals?

19 / 50

19. The configuration results in a common oxidation state of +4 for all Group 14 elements. Which of the following is also a prominent and stable oxidation state, particularly for the heavier elements (Sn, Pb)?

20 / 50

20. What is the fundamental difference in bonding that allows Carbon to form stable and multiple bonds, while the other elements in Group 14 primarily form single bonds, hindering their catenation potential?

21 / 50

21. Moving down Group 14 (C to Pb), how does the change in atomic radius typically proceed?

22 / 50

22. What is the most characteristic and common oxidation state shown by all elements in Group 14?

23 / 50

23. Which of the following is the chemical formula for the boron ore Colemanite?

24 / 50

24. The Carbon Dioxide molecule has a linear shape. What is the hybridization of the central carbon atom in and the bond angle, respectively?

25 / 50

25. What is the correct trend for electronegativity (EN) down Group 13?

26 / 50

26. What is the general anion formula for a Cyclic Silicate (or Cyclosilicate), such as the ion found in the mineral beryl?

27 / 50

27. Which factor is the primary determinant of the extent of catenation for an element?

28 / 50

28. In single-chain silicates (Pyroxenes), how many oxygen atoms does each silicon tetrahedron share with other tetrahedra?

29 / 50

29. What is the correct order of atomic radii for Group 13 elements?

30 / 50

30. In the structure of (Buckminsterfullerene), what is the hybridization of every carbon atom?

31 / 50

31. In the triple bond, how many bonds are present?

32 / 50

32. The electrical properties of a single-walled carbon nanotube (SWCNT) can vary significantly depending on its "chirality." A carbon nanotube can exhibit the electrical properties of which two material types?

33 / 50

33. Feldspars and Zeolites are examples of which major class of silicates, characterized by a three-dimensional interlocking structure?

34 / 50

34. What is the general name given to the class of organosilicon polymers that form both chains and rings with the backbone?

35 / 50

35. What are the maximum covalent bonding capacities (covalencies) typically exhibited by Carbon and Silicon, respectively?

36 / 50

36. Carbon can be used to reduce almost all metal oxides at high temperatures. However, carbon reduction is ineffective for reducing Aluminum Oxide () under similar conditions. This is because:

37 / 50

37. Which comparison of bond dissociation enthalpies for Group 14 single bonds is correct?

38 / 50

38. Due to the availability of vacant -orbitals, Silicon readily shows an expanded octet in its compounds, such as in . What is the maximum covalency exhibited by Silicon in this ion?

39 / 50

39. The chemical equation describes the etching of glass (silica). In this reaction, the role of is unique because:

40 / 50

40. The use of zeolites as catalysts is primarily based on the principle of 'shape-selective catalysis'. This means the catalytic reaction is dependent on:

41 / 50

41. Graphene is structurally best described as:

42 / 50

42. When Germanium forms chains (germanes, ), the maximum chain length observed is typically much shorter than that for alkanes. This is primarily because:

43 / 50

43. Diamond is a non-conductor of electricity. What structural feature explains this property?

44 / 50

44. Carbon, the first element of Group 14, is known to form extended chains and rings through self-linking. What is this property called?

45 / 50

45. While Carbon forms long stable chains with itself, Silicon catenation is often observed in chains where the Silicon atoms are separated by which bridging atom?

46 / 50

46. What is the nature of the aqueous solution of Borax?

47 / 50

47. Tin (II) salts () are often used in volumetric analysis because they can easily act as a reducing agent. This is primarily because can easily be converted to:

48 / 50

48. What gives diamond its exceptional brilliance and sparkle (high lustre)?

49 / 50

49. The smallest stable cyclic alkane that exhibits planar geometry is:

50 / 50

50. The value of is . This indicates that it is a:

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Practice P-Block Elements MCQs
Download Class 11 Chemistry MCQ Study Bundle

Class 11 Chemistry — Chapter 11: P-Block Elements Online Test

The Class 11 Chemistry: Chapter 11 – P-Block Elements Online Test offers an extensive collection of 277 MCQs designed to deepen your understanding of p-block elements and their properties. This test is free, NCERT/CBSE-aligned, and lets you practice at your own pace with unlimited attempts. Whether you’re aiming for a quick revision or preparing for exams like JEE or NEET, this test is an ideal resource to evaluate your knowledge.

This page acts as a mini online mock test for Chapter 11. You can practice multiple-choice questions (MCQs) and instantly see your results along with detailed explanations. Think of it as a real exam simulation that helps you boost your confidence before the actual test. This test is also great for those who wish to strengthen their knowledge of p-block elements, their chemical properties, and trends in the periodic table.

What is this Chapter 11: P-Block Elements Online Test?

This test consists of three exam-style MCQ papers for Chapter 11: P-Block Elements:

  • Paper 1 (Easy) — Foundation: 20 questions · 30 min · Pass 40% · Fixed set
  • Paper 2 (Medium) — Mixed: 30 questions · 45 min · Pass 50% · Randomized from a pool of 277 MCQs
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: Each attempt gives you fresh mixes of questions in Paper 2 and Paper 3, ensuring a unique experience each time.

Topics covered in these online tests

The online test will guide you through a wide range of essential topics from Chapter 11: P-Block Elements. The key concepts include:

  • General Properties of p-block elements — their physical and chemical properties, and trends in groups and periods.
  • Electronic Configuration of p-block elements and how it relates to their properties.
  • Oxidation States of p-block elements, including trends and exceptions.
  • Trends in Group 13 Elements — Boron and its compounds, Aluminum, Gallium, etc.
  • Trends in Group 14 Elements — Carbon, Silicon, Germanium, Tin, Lead and their allotropes.
  • Trends in Group 15 Elements — Nitrogen, Phosphorus, Arsenic, Antimony, and their important compounds.
  • Trends in Group 16 Elements — Oxygen, Sulfur, Selenium, Tellurium, and Polonium.
  • Trends in Group 17 Elements — Halogens and their physical and chemical properties.
  • Group 18 Elements — Noble gases, their properties, compounds like Xenon compounds, etc.
  • Allotropes of Elements — Oxygen, Phosphorus, and Sulfur (e.g., allotropes of Carbon and Sulfur).
  • Industrial Applications — The industrial use of p-block elements, including the extraction of metals, and their role in chemical reactions.
  • Environmental Impact — The effects of p-block elements and their compounds on the environment (e.g., nitrogen oxides, sulfur compounds).

If you want more practice on the s-block elements, you can also visit the online test for S-Block Elements.

How This Exam-Style Online Test Works

  • Pick a paper → Answer MCQs within time → Submit → Get instant score and result with answer review.
  • MCQs: Each paper contains randomized questions from a large question pool.
  • Timer: Paper 1 is for 30 minutes, Paper 2 is for 45 minutes, and Paper 3 is for 75 minutes.
  • View Results: Get your score and an immediate review with correct answers.
  • Retake: You can retake the test as many times as needed to improve your score.

What you’ll see during the test

  • MCQs: One question with four options (A, B, C, D).
  • Timer on top: P1: 30 min • P2: 45 min • P3: 75 min.
  • Pagination: Typically 10 questions per page, use Next/Prev to navigate.
  • Result Page: Instant result with correct/incorrect answers, detailed explanation, and the option to restart the test.

Marking & pass criteria

  • Scoring: +1 for correct, 0 for incorrect (no negative marking).
  • Passing marks: Paper 1 — 40% • Paper 2 — 50% • Paper 3 — 70%.
  • Randomization: Paper 2 & 3 shuffle questions from a large question pool; Paper 1 remains fixed.

Who can take this test?

  • Class 11 CBSE/NCERT students revising Chapter 11 on P-Block Elements.
  • JEE/NEET foundation aspirants building solid concepts in inorganic Chemistry.
  • Teachers and tutors using this as a practice tool for class assignments and quizzes.
  • Students from other boards and countries looking to practice P-Block Elements.
  • Students preparing for competitive exams seeking to solidify their knowledge of p-block elements.

Advantages of this online test

  • Real exam experience: Timed questions, instant feedback, and clear performance analysis.
  • Step-up difficulty: Foundation → Mixed → Challenge (+ certificate on Paper 3).
  • Unlimited attempts: Reattempt the test to improve your score with randomized questions in Paper 2 & 3.
  • Free of charge: No sign-up or payment required to access this comprehensive test.

How this test helps you study better

  • Step 1 – Concept check: Start with Paper 1 to check your grasp of basic P-Block element concepts.
  • Step 2 – Reinforce: Take Paper 2 for mixed concept and numerical questions.
  • Step 3 – Challenge yourself: Finish with Paper 3 to prepare for advanced-level questions and exams.
  • Step 4 – Analyze results: Study your missed questions and review the detailed answers to strengthen weak areas.

Important notes (read before you start)

  • Do not refresh / close the tab during the test.
  • Best experience: Use the latest version of Chrome/Edge and ensure a stable internet connection.
  • Allow cookies / local storage for a smooth experience and progress saving.
  • Safety: The test is 100% free, and there are no hidden charges or login requirements.

More practice for Class 11 Chemistry

After completing the P-Block Elements online test, continue your Chemistry practice with other resources: Class 11 Chemistry MCQ Collection or try the Class 11 Chemistry Online Test Index for other chapters.

FAQs on P-Block Elements Online Test ▼

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments

Related MCQs

Scroll to Top