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Q. What are p-block elements and why are they important for NEET?
Ans. p-Block elements are found in groups 13 to 18 of the periodic table and are crucial for NEET preparation. They are a major focus in the NEET Chemistry syllabus, covering key concepts like periodic trends and chemical properties.
Q. How can practicing p-block elements MCQs improve NEET preparation?
Ans. Regular practice with p-block elements MCQs helps reinforce your understanding of periodic trends, oxidation states, and chemical behaviors, enhancing problem-solving skills and exam performance.
Q. What should I focus on while studying p-block elements for NEET?
Ans. Focus on fundamental concepts such as periodic trends, electronic configurations, and the chemical properties of p-block elements. Consistent practice with MCQs will help solidify these concepts.
Q. How do MCQs with answers benefit NEET preparation?
Ans. MCQs with answers provide immediate feedback and detailed explanations, helping you identify and correct mistakes. This method enhances understanding and builds confidence for the NEET exam.
Q. How can Class 12 students use p-block elements MCQs effectively?
Ans. Class 12 students should study the fundamental concepts of p-block elements in detail and practice MCQs regularly. Using class notes, textbooks, and additional resources will help improve accuracy and speed.
Q. What strategies should I use to approach p-block elements MCQs?
Ans. Regularly practice a variety of MCQs, review key concepts frequently, and analyze mistakes to understand errors. Familiarize yourself with periodic trends and common oxidation states to apply concepts effectively during the exam.
The p-Block Elements MCQs for NEET Chemistry with Answers
The p-Block Elements MCQs for the NEET exam are provided below. Students can solve p-Block Elements MCQs with answers to enhance their NEET preparation and achieve better scores on the final exam.
Krati Saraswat23 Sept, 2024
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The p-Block Elements MCQs:
To succeed in the NEET exam, it is essential to thoroughly understand p-block elements through multiple-choice questions (MCQs). p-Block elements, which are located in groups 13 to 18 of the periodic table, are a major focus in the
NEET Chemistry syllabus
. The p-Block Elements MCQs evaluate your knowledge of key concepts such as periodic trends, electronic configurations, and the chemical properties of these elements.
By regularly practicing p-block elements MCQs, you can improve your problem-solving skills and become familiar with the types of questions that may appear on the exam. This consistent practice will help you be better prepared and increase your chances of doing well in the NEET exam. Students can practice the p-Block Elements MCQs provided in the article below.
The p-Block Elements MCQs NEET
For NEET preparation, practicing MCQs on p-block elements is essential. These questions evaluate your understanding of key concepts such as periodic trends, oxidation states, and the chemical properties of these elements. Regularly working on these MCQs helps you remember and apply your knowledge more effectively during the exam, thereby improving your performance.
Furthermore, reviewing
past NEET questions
related to p-block elements can give you valuable insights into common question formats and exam patterns, allowing you to adjust your study strategy accordingly.
In Class 12, p-block elements are a crucial component of the Chemistry syllabus, affecting both board exams and NEET preparation. To handle questions about this topic effectively, a thorough understanding of p-block elements is essential. Start by studying the fundamental concepts related to these elements in detail.
Regular practice with MCQs helps reinforce these concepts, improving both your accuracy and speed in answering questions. To strengthen your grasp of the subject, make use of class notes, textbooks, and additional practice materials. This comprehensive approach will ensure you are well-prepared for both your board exams and the NEET.
The p-Block Elements MCQs with Answers
Practicing MCQs on p-block elements with provided answers is highly beneficial for NEET preparation. This approach offers immediate feedback, which helps you identify and correct mistakes promptly. The detailed explanations that accompany the answers clarify complex topics and strengthen your understanding.
Regularly working with MCQs that include answers not only improves your knowledge of p-block elements but also boosts your confidence and problem-solving abilities. This method ensures thorough preparation, making it easier for you to tackle similar questions in the NEET exam with greater accuracy.
By consistently applying these strategies and practicing MCQs, you will significantly improve your understanding of p-block elements and enhance your overall performance in NEET.
Q 1. A single N-N bond is weaker than a single P-P bond. This is because of;
(1) larger N-N bond length in comparison to P-P bond length.
(2) high interelectronic repulsion of the non-bonding electrons, owing to the small N-N bond length in comparison to that in the P-P single bond.
(3) higher electronegativity of N in comparison to P.
(4) smaller atomic size of N as compared to that of P.
Ans. 2
Q 2. Which one of the following does not show allotropy?
Q 3. Which of the following group 15 elements forms metallic bonds in an elemental state?
(1) As
(2) P
(3) Sb
(4) Bi
Ans. 4
Q 4. Metalloids in the carbon and nitrogen families are;
(1) Si, As
(2) P, Sn
(3) Pb, Sb
(4) C, Bi
Ans. 1
Q 5. Assertion (A): N2 is less reactive than P4.
Reason (R): Nitrogen has more electron gain enthalpy than phosphorous.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
Assertion (A).
(2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of
Assertion (A).
(3) Assertion (A) is true and Reason (R) is false.
(4) Assertion (A) is false and Reason (R) is true.
Ans. 3
Q 6. Maximum covalency of nitrogen is;
(1) 3
(2) 4
(3) 5
(4) 6
Ans. 2
Q 7. The correct statement about phosphorus atom is;
(1) It has 5 vacant orbitals in the valence shell.
(2) It has 3 unpaired electrons.
(3) Nine electrons have similar spin.
(4) All of these
Ans. 4
Q 8. Which is true regarding nitrogen? (C.E.T.)
(1) Less electronegative.
(2) Has low ionisation enthalpy.
(3) d-orbitals are available.
(4) Ability to form pπ-pπ bonds with itself.
Ans. 4
Q 9. p-block elements are those elements in which the last electron enters in;
(1) p-orbital
(2) s-orbital
(3) d-orbital
(4) None of these
Ans. 1
Q 10. Nitrogen doesn't form pentahalide due to non-availability of;
(1) s orbital
(2) p orbital
(3) d orbital
(4) None of these
Ans. 3
Q 11. What causes dinitrogen to be chemically inert?
(1) Multiple bond formation in the molecule.
(2) Presence of bond polarity.
(3) Large internuclear distance.
(4) Low bond energy.
Ans. 1
Q 12. The tendency to exhibit -3 oxidation state ______ down the group.
(1) decreases
(2) increases
(3) remains same
(4) None of these
Ans. 1
Q 13. Which elements of group 15 are metalloids?
(1) P
(2) N
(3) Sb
(4) Bi
Ans. 3
Q 14. Which of the following statements is not true for phosphorus?
(1) Phosphorus is a non-metal.
(2) It exists as a tetrahedral molecular solid.
(3) Phosphorus is less reactive than nitrogen.
(4) The P-P bond is much weaker than the N ≡ N bond.
Ans. 3
Q 15. Statement-I: Phosphorus has a higher melting point due to its larger size than nitrogen.
Statement II: Nitrogen is inert due to the formation of triple bonds and has a lower covalence due to the non-availability of d-orbitals.
(1) Statement-I and Statement-II both are correct.
(2) Statement I is correct but Statement II is incorrect.
(3) Statement I is incorrect but Statement II is correct.
(4) Statement-I and Statement-II both are incorrect.
Ans. 1
Q 16. Atomic radii of group 15 elements are of the orde
r;
(1) N > P > As > Bi > Sb
(2) N > P > As > Sb > Bi
(3) N < P < As < Sb < Bi
(4) N < P < As < Sb > Bi
Ans. 3
Q 17. In group 15, the melting points of the elements;
(1) increase regularly on moving down the group.
(2) decrease regularly on moving down the group.
(3) First decrease up to As and then increase to Bi.
(4) first increase from N to As and then decrease to Bi.
Ans. 4
Q 18. Which of the following does show maximum allotropy?
Q 23. The boiling point of phosphorus is higher than that of nitrogen due to;
(1) Greater atomic radius of phosphorus.
(2) Presence of stronger London dispersion forces in phosphorus.
(3) Higher electronegativity of phosphorus.
(4) Presence of d-orbitals in phosphorus.
Ans. 2
Q 24. Which of the following Group 15 elements has the highest atomic radius?
Q 33. Nitrogen shows anomalous behaviour in its oxidation states because of;
(1) Its small atomic size.
(2) Its ability to form multiple bonds.
(3) Its higher electronegativity.
(4) All of these
Ans. 4
Q 34. Which of the following statements are not correct about the hydrides of group 15 elements;
(1) The hydrides of the elements of group 15 are ionic and have a planar triangular shape
(2) The thermal stability of the hydrides decreases down the group
(3) The basic character of the hydrides decreases down the group
(4) The reducing nature of the hydrides increases down the group
Ans. 1
Q 35. The trend in the hydrides from Bi to N is;
(1) bond length increases
(2) bond length decreases
(3) acidic nature increases
(4) bond energy decreases
Ans. 2
Q 36. The incorrect statement among the following is;
(1) Reducing the character of hydrides of group 15 increases down the group.
(2) The basicity of hydrides of group 15 increases down the group.
(3) Phosphorus and arsenic can form pπ-dπ bonds but not nitrogen.
(4) None of these
Ans. 2
Q 37. Which of the following is correct about VA group hydrides (from ammonia to bismuth)?
(1) Their thermal stability gradually increases.
(2) Their ease of preparation gradually increases.
(3) The electron pair donating nature gradually decreases.
(4) The bond energies gradually increase.
Ans. 3
Q 38. Among the hydrides of the 15th group, which is a strong reducing agent?
Q 39. The number of oxides that are possible with nitrogen is;
(1) 4
(2) 3
(3) 6
(4) 5
Ans. 4
Q 40. Ammonia is liquid and phosphene is gas. Why?
(1) Due to more molar mass ammonia has maximum vanderwall force of attraction.
(2) Due to more molar mass ammonia has less Vanderwall force of attraction.
(3) Due to the presence of intermolecular hydrogen bonding in ammonia.
(4) Due to the absence of hydrogen bonding in ammonia.
Ans. 3
Q 41. Which of the following oxide can act as both a reducing and oxidising agent?
(1) Dinitrogen oxide
(2) Nitric oxide
(3) Dinitrogen pentoxide
(4) None of these
Ans. 2
Q 42. Ammonia is a Lewis base and acts as a complexing agent because;
(1) It accepts electron pairs.
(2) It is neither an electron pair donor nor an acceptor.
(3) It acts as an electron pair donor.
(4) It exhibits a covalency of more than five.
Ans. 3
Q 43. Which of the following is the correct order of melting points of group 16 elements?
(1) O < S < Se < Te < Po
(2) O < Se < S < Te < Po
(3) O < S < Se < Te > Po
(4) O < S < Se > Te < Po
Ans. 3
Q 44. Which of the following elements does not belong to group 16 of the periodic table?
Q 61. Which of the following elements will have the highest atomic radii?
(1) Se
(2) Te
(3) S
(4) Po
Ans. 4
Q 62. There is a large difference between the melting and boiling point of oxygen and sulphur because;
(1) oxygen is more electronegative than sulphur.
(2) sulphur has less ionisation enthalpy than oxygen.
(3) oxygen exists as diatomic but sulphur as polyatomic.
(4) None of these
Ans. 3
Q 63. Which among the following group 16 elements exist in more than two allotropic states?
Q 65. The element that shows the highest number of allotropes among VIA group elements;
(1) S
(2) Te
(3) Se
(4) Po
Ans. 1
Q 66. Which of the following elements is metalloid?
(1) Selenium
(2) Tellurium
(3) Both of these
(4) None of these
Ans. 3
Q 67. Elements O, S, Se, and Te are commonly known as;
(1) Rare earth elements
(2) Chalcogens
(3) Halogens
(4) Pnictogens
Ans. 2
Q 68. Which of the following has the highest bond energy?
(1) O – O
(2) S – S
(3) Se – Se
(4) Te – Te
Ans. 2
Q 69. Air consists of _______ oxygen.
(1) 22%
(2) 23%
(3) 21%
(4) 24%
Ans. 3
Q 70. Statement-I: Catenation is maximum in sulphur up to 8 atoms.
Statement-II: At room temperature, sulphur exists as S4.
(1) Statement-I and Statement-II both are correct.
(2) Statement I is correct but Statement II is incorrect.
(3) Statement I is incorrect but Statement II is correct.
(4) Statement-I and Statement-II both are incorrect.
Ans. 2
Q 71. Oxygen is gas but sulphur is solid because;
(1) oxygen is composed of discrete molecules while sulphur is polymeric.
(2) molecular weight of sulphur is much higher than that of oxygen.
(3) oxygen is a stronger oxidising agent than sulphur.
(4) The boiling point of sulphur is much higher than that of oxygen.
Ans. 1
Q 72. Anomalous behaviour of oxygen is due to the following;
(1) high electronegativity.
(2) small atomic size.
(3) non-availability of d-orbital.
(4) All of these
Ans. 4
Q 73. Hydrides of oxygen and sulphur differ in the physical state due to;
(1) the presence of intermolecular hydrogen bonding in the hydrides of oxygen.
(2) more electronegativity of oxygen.
(3) stronger S–S bonds compared to O–O bonds.
(4) repulsion of lone pair of electrons on oxygen atoms.
Ans. 1
Q 74. The reducing property of hydrides of Group VIA elements generally;
(1) increases down the group.
(2) decreases down the group.
(3) remains constant down the group.
(4) fluctuates irregularly down the group.
Ans. 1
Q 75. The bond angle in hydrides of Group VIA elements generally;
(1) increases down the group.
(2) decreases down the group.
(3) remains constant down the group.
(4) fluctuates irregularly down the group.
Ans. 2
Q 76. Dioxygen gas is paramagnetic due to the presence of;
Q 81. Amphoteric oxides exhibit properties of both;
(1) metals and non-metals.
(2) ionic and covalent compounds.
(3) basic and acidic oxides.
(4) reducing and oxidizing agents.
Ans. 3
Q 82. Ozone is;
(1) an isobar of oxygen.
(2) an isotope of oxygen.
(3) a polymer of oxygen.
(4) an allotrope of oxygen.
Ans. 4
How to Approach The p-Block Elements MCQs?
The following are some tips for approaching multiple-choice questions (MCQs) on p-block elements:
Practice Regularly
: Solve a range of MCQs to enhance your problem-solving abilities and pinpoint areas where you need improvement.
Review Fundamental Concepts
: Frequently revisit the basic principles of p-block elements to strengthen your understanding.
Analyze Mistakes
: When you make errors, carefully examine them to understand what went wrong and prevent similar mistakes in the future.
Understand Key Concepts
: Be knowledgeable about periodic trends, electronic configurations, and common valencies of p-block elements.
Apply Concepts to Questions
: Use periodic trends to predict properties, and be aware of common oxidation states and chemical reactions of p-block elements.
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