The p Block Elements Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQs on The p Block Elements Class 11, which will help them all through their board tests.
The p Block Elements Class 11 MCQ Questions and Answer
Class 11 Chemistry MCQ with answers are given here to Chapter 11 The p Block Elements. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 Chemistry syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.
Learn Class 11 The p Block Elements MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Chemistry The p Block Elements MCQ with answers given below
Question 1. Which one of the following elements is unable to form MF6 3– ion?
Question 2. The correct order of atomic radii in group 13 elements is
(a) B < Al < In < Ga < Tl
(b) B < Al < Ga < In < Tl
(c) B < Ga < Al < Tl < In
(d) B < Ga < Al < In < Tl
Question 3. AlF3 is soluble in HF only in presence of KF. It is due to the formation of
Question 4. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
(a) Al < Ga < In < Tl
(b) Tl < In < Ga < Al
(c) In < Tl < Ga < Al
(d) Ga < In < Al < Tl
Question 5. Aluminium(III) chloride forms a dimer because aluminium
(a) belongs to 3rd group
(b) can have higher coordination number
(c) cannot form a trimer
(d) has high ionization energy.
Question 6. The type of hybridisation of boron in diborane is
Question 7. Which of the following statements about H3BO3 is not correct?
(a) It has a layer structure in which planar BO3 units are joined by hydrogen bonds.
(b) It does not act as proton donor but acts as a Lewis acid by accepting hydroxyl ion.
(c) It is a strong tribasic acid.
(d) It is prepared by acidifying an aqueous solution of borax.
Question 8. The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence
(a) BCl3 > BF3 > BBr3
(b) BBr3 > BCl3 > BF3
(c) BBr3 > BF3 > BCl3
(d) BF3 > BCl3 > BBr3
Question 9. Which of the following structure is similar to graphite?
Question 10. Boron compounds behave as Lewis acids, because of their
(a) ionisation property
(b) electron deficient nature
(c) acidic nature
(d) covalent nature.
Question 11. Boric acid is an acid because its molecule
(a) contains replaceable H+ ion
(b) gives up a proton
(c) accepts OH– from water releasing proton
(d) combines with proton from water, molecule.
Question 12. Which of the following is incorrect statement ?
(a) SnF4 is ionic in nature.
(b) PbF4 is covalent in nature.
(c) SiCl4 is easily hydrolysed.
(d) GeX4 (X = F, Cl, Br, I) is more stable than GeX2.
Question 13. Which of the following species is not stable?
Question 14. Carbon and silicon belong to (IV) group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to
(a) availability of low lying d-orbitals in silicon
(b) large size of silicon
(c) more electropositive nature of silicon
(d) both (b) and (c).
Question 15. In graphite, electrons are
(a) localised on each C-atom
(b) localised on every third C-atom
(c) spread out between the structure
(d) present in antibonding orbital.
Question 16. It is because of inability of ns2 electrons of the valence shell to participate in bonding that
(a) Sn2+ is oxidising while Pb4+ is reducing
(b) Sn2+ and Pb2+ are both oxidising and reducing
(c) Sn4+ is reducing while Pb4+ is oxidising
(d) Sn2+ is reducing while Pb4+ is oxidising.
Question 17. Which of the following oxidation states are the most characteristic for lead and tin respectively?
(a) +2, +4
(b) +4, +4
(c) +2, +2
(d) +4, +2
Question 18. Which of the following does not show electrical conduction?
Question 19. Which of the following types of forces bind together the carbon atoms in diamond?
(d) van der Waals
Question 20. Which of the following is an insulator?
Question 21. Identify the correct statements from the following :
(A) CO2(g) is used as refrigerant for ice-cream and frozen food.
(B) The structure of C60 contains twelve six carbon rings and twenty five carbon rings.
(C) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline.
(D) CO is colourless and odourless gas.
(a) (A), (B) and (C) only
(b) (A) and (C) only
(c) (B) and (C) only
(d) (C) and (D) only
Question 22. Which of the following anions is present in the chain structure of silicates?
(c) SiO4 4–
(d) Si2O7 6–
Question 23. Which one of the following statements about the zeolite is false?
(a) They are used as cation exchangers.
(b) They have open structure which enables themto take up small molecules.
(c) Zeolites are aluminosilicates having three dimensional network.
(d) Some of the SiO44– units are replaced by AlO45– and AlO6 9– ions in zeolites.
Question 24. Percentage of lead in lead pencil is
Question 25. Which statement is wrong?
(a) Beryl is an example of cyclic silicate.
(b) Mg2SiO4 is orthosilicate.
(c) Basic structural unit in silicates is the SiO4 tetrahedron.
(d) Feldspars are not aluminosilicates.
Whoever needs to take the CBSE Class 11 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 11 Chemistry Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These The p Block Elements Class 11 MCQ are ready by the subject specialists themselves.
Question 26. The straight chain polymer is formed by
(a) hydrolysis of CH3SiCl3 followed by condensation polymerisation
(b) hydrolysis of (CH3)4Si by addition polymerisation
(c) hydrolysis of (CH3)2SiCl2 followed by condensation polymerisation
(d) hydrolysis of (CH3)3SiCl followed by condensation polymerisation.
Question 27. The basic structural unit of silicates is
(b) SiO4 2–
(d) SiO4 4–
Question 28. Which of these is not a monomer for a high molecular mass silicone polymer?
Question 29. Name the two types of the structure of silicate in which one oxygen atom of [SiO4]4– is shared?
(a) Linear chain silicate
(b) Sheet silicate
(d) Three dimensional
Question 30. The non-metal oxides are ____x____ whereas metal oxides are ___y ____ in nature.
(a) x = acidic or neutral, y = basic
(b) x = acidic, y = neutral
(c) x = basic, y = acidic
(d) x = neutral, y = basic
Question 31. The relationship between first, second and third ionisation enthalpies of each group-13 element is
(a) ΔiH1 > ΔiH2 > ΔiH3
(b) ΔiH1 < ΔiH2 < ΔiH3
(c) ΔiH1 = ΔiH2 > ΔiH3
(d) ΔiH3 > ΔiH1 > ΔiH2
Question 32. The substance used as a smoke screen in warfare is
Question 33. Which of the following compounds is used in cosmetic surgery?
Question 34. Which of the following is most abundant in the earth crust ?
Question 35. Which of the following properties of aluminium makes it useful for food packaging ?
(a) Good electrical conductivity
(b) Good thermal conductivity
(c) Low density
(d) Non toxicity
Question 36. Which of the following is/are true regarding gallium?
(i) It has unusually low melting point (303 K).
(ii) It exist in liquid state during summer.
(iii) It has a high boiling point (2676 K).
The correct option is
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i), (ii) and (iii)
(d) (ii) and (iii)
Question 37. The group 13 element that is liquid during summer and used for measuring high temperature is
Question 38. Thallium shows different oxidation states because
(a) it is transition element
(b) of inert pair effect
(c) of its amphoteric character
(d) of its higher reactivity
Question 39. Ionisation enthalpy (ΔiH1kJ mol–1) for the elements of Group 13 follows the order.
(a) B > Al > Ga > In > Tl
(b) B < Al < Ga < In < Tl
(c) B < Al > Ga < In > Tl
(d) B > Al < Ga > In < Tl
Question 40. Which of the following does not form M3+ ion?
Question 41. The element which shows least metallic character is
Question 42. The strongest Lewis acid is
Question 43. AlCl3 on hydrolysis gives
(a) Al2O3. H2O
Question 44. Which one of the following has the lowest m.p.?
Question 45. The exhibition of highest co-ordination number depends on the availability of vacant orbitals in the central atom. Which of the following elements is not likely to act as central atom n 3 MF63− ?
Question 46. Which out of the following compounds does not exist?
(d) Both (b) and (c)
Question 47. Aluminium chloride is a/an
(a) Bronsted – Lowery acid
(b) Arhenius acid
(c) Lewis acid
(d) Lewis base
Question 48. Boron forms covalent compound due to
(a) higher ionization energy
(b) lower ionization energy
(c) small size
(d) Both (a) and (c)
Question 49. Which metal is protected by a layer of its own oxide?
Question 50. Aluminium vessels should not be washed with materials containing washing soda because
(a) washing soda is expensive
(b) washing soda is easily decomposed
(c) washing soda reacts with aluminium to form soluble aluminate
(d) washing soda reacts with aluminium to form insoluble aluminium oxide
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Frequently Asked Question (FAQs)
How many MCQ questions are there in Class 11 chapter 11 Chemistry?
In Class 11 Chapter 11 Chemistry, we have provided 50 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 11 exam.
Can we score good marks in Class 11 Chemistry with the help of The p Block Elements MCQ Questions?
Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 11 Chemistry exam.