This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a solid at room temperature? A) Fluorine. B) Iodine. C) Chlorine. D) Bromine. Show Answer Correct Answer: B) Iodine. 2. Which one has the lowest boiling point? A) NH3. B) AsH3. C) PH3. D) SbH3. Show Answer Correct Answer: C) PH3. 3. What is the element symbol of silicon? A) Sc. B) Se. C) Si. D) Sn. Show Answer Correct Answer: C) Si. 4. Which is more stable Tl$^{+1}$ ion or Tl$^{3+}$ ion? A) Tl$^{+1}$. B) Tl$^{3+}$. C) Both. D) None. Show Answer Correct Answer: A) Tl$^{+1}$. 5. What is the element name of this symbol Bi? A) Besmuth. B) Bismith. C) Bestman. D) Bismuth. Show Answer Correct Answer: D) Bismuth. 6. Match the correct optionColumn I Column II(A) Pb$_{3}$O$_{4 }$ (1) Neutral oxide(B) N$_{2}$O (2) Acidic oxide(C) Mn$_{2}$O$_{7 }$ (3) Basic oxide(D) Bi$_{2}$O$_{3}$ (4) Mixed oxide A) A (4) B (3) C (1) D (2). B) A (1) B (2) C (3) D (4). C) A (4) B (1) C (2) D (3). D) A (3) B (2) C (4) D (1). Show Answer Correct Answer: C) A (4) B (1) C (2) D (3). 7. White phosphorous has characteristic A) Fish like smell. B) Onion like smell. C) Garlic like smell. D) Egg like smell. Show Answer Correct Answer: C) Garlic like smell. 8. The structure of ClF$_{3 is}$ A) Tetrahedral. B) Octahedral. C) T-shaped. D) Pyramidal. Show Answer Correct Answer: C) T-shaped. 9. Which statement is a true comparison of diamonds and graphite? A) Diamonds are extremely hard and colorless where as graphite is a very soft gray substance. B) Diamonds are extremely soft and colorless where as graphite is a very hard gray substance. C) Diamonds are made only from carbon where as graphite is a carbon compound containing metal electrons. D) None of the above. Show Answer Correct Answer: A) Diamonds are extremely hard and colorless where as graphite is a very soft gray substance. 10. What was the chemical that was used by the Germans that made Chlorine more lethal? A) Phosgene COCl2. B) Hydrochloric Acid. C) Hydrobromic Acid. D) Diphosphate. Show Answer Correct Answer: A) Phosgene COCl2. 11. Chlorine dissolves in water to give ..... solution A) Green. B) White. C) Yellow. D) Red. Show Answer Correct Answer: A) Green. 12. Which of the following noble gases can diffuse through rubber? A) Argon. B) Krypton. C) Xenon. D) Helium. Show Answer Correct Answer: D) Helium. 13. Lack of Iodine can lead to persons experiencing dry eyes and dry mouth. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 14. Ananya is studying the periodic table and wonders which of the following p-block element is a noble gas. A) Oxygen. B) Argon. C) Nitrogen. D) Helium. Show Answer Correct Answer: B) Argon. 15. The oxyacid of sulphur that contains a lone pair of electrons on sulphur is A) Pyrosulphuric acid. B) Sulphuric acid. C) Sulphurous acid. D) Peroxidesulphuric acid. Show Answer Correct Answer: C) Sulphurous acid. 16. Carbon on treatment with conc.HNO$_{3}$ gives A) NO$_{2}$ + CO$_{2}$ + H$_{2}$O. B) NO$_{2}$+ NO + CO$_{2}$. C) NO + CO$_{2}$. D) H$_{2}$CO$_{3}$. Show Answer Correct Answer: A) NO$_{2}$ + CO$_{2}$ + H$_{2}$O. 17. H$_{2}$S is less acidic than H$_{2}$Te because A) H-Te bond dissociation enthalpy is greater than that of H-S. B) H$_{2}$S undergoes hydrogen bonding. C) H$_{2}$Te undergoes hydrogen bonding. D) H-Te bond dissociation enthalpy is less than that of H-S. Show Answer Correct Answer: D) H-Te bond dissociation enthalpy is less than that of H-S. 18. Hydrogen bonding does NOT play any role in the boiling point of A) NH$_{3}$. B) HF. C) H$_{2}$O. D) HI. Show Answer Correct Answer: D) HI. 19. The elements collectively known as chalcogens are A) O, S, Se, Te. B) F, Cl, Br, I. C) C, Si, Ge. D) N, P, S. Show Answer Correct Answer: A) O, S, Se, Te. 20. A group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is A) P. B) Sb. C) Bi. D) As. Show Answer Correct Answer: C) Bi. 21. How does the atomic radius change as you move down a group in the p block? A) The atomic radius first decreases and then increases as you move down a group in the p block. B) The atomic radius increases as you move down a group in the p block. C) The atomic radius decreases as you move down a group in the p block. D) The atomic radius remains constant as you move down a group in the p block. Show Answer Correct Answer: B) The atomic radius increases as you move down a group in the p block. 22. The shape of ICl is A) Trigonal planar. B) Tetrahedral. C) Linear. D) Trigonal bipyramidal. Show Answer Correct Answer: C) Linear. 23. Which element from Group 16 is vital for the formation of amino acids? A) Selenium. B) Tellurium. C) Oxygen. D) Sulfur. Show Answer Correct Answer: D) Sulfur. 24. How does the ionization energy vary in the p-block? A) Ionization energy increases across a period and decreases down a group in the p-block. B) Ionization energy increases down a group and decreases across a period in the p-block. C) Ionization energy decreases across a period and increases down a group in the p-block. D) Ionization energy remains constant across a period and decreases down a group in the p-block. Show Answer Correct Answer: A) Ionization energy increases across a period and decreases down a group in the p-block. 25. What is the significance of the hydrogen element in the context of s and p-block elements? A) Hydrogen is a noble gas that does not interact with other elements. B) Hydrogen is primarily found in the d-block of the periodic table. C) Hydrogen only forms compounds with metals and has no role in p-block chemistry. D) Hydrogen acts as a bridge between s and p-block elements, exhibiting properties of both and playing a crucial role in chemical reactions. Show Answer Correct Answer: D) Hydrogen acts as a bridge between s and p-block elements, exhibiting properties of both and playing a crucial role in chemical reactions. 26. Oxygen molecule is A) Paramagnetic with no unpaired electron(s). B) Diamagnetic with two unpaired electrons. C) Diamagnetic with no-unpaired electron(s). D) Paramagnetic with two unpaired electrons. Show Answer Correct Answer: D) Paramagnetic with two unpaired electrons. 27. In phosponitrolic compounds which element is absent A) Nitrogen. B) Halogen. C) Phosphorous. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 28. Monoxides and dioxides of Group 14 elements in the Periodic Table show different acid-base properties. Which is an acidic oxide? A) SnO$_{2}$. B) SiO$_{2}$. C) PbO. D) GeO. Show Answer Correct Answer: B) SiO$_{2}$. 29. Which of the following hydrogen halides is most volatile? A) HBr. B) HI. C) HCl. D) HF. Show Answer Correct Answer: C) HCl. 30. What is the significance of the octet rule in p-block elements? A) The octet rule only applies to s-block elements and not to p-block elements. B) The octet rule dictates that p-block elements must always form ionic bonds. C) The octet rule is irrelevant to p-block elements and their properties. D) The octet rule helps explain the bonding and reactivity of p-block elements by guiding them to achieve a stable electron configuration. Show Answer Correct Answer: D) The octet rule helps explain the bonding and reactivity of p-block elements by guiding them to achieve a stable electron configuration. 31. Phosphorus burns in the presence of a limited supply of oxygen to form ..... A) P$_{2}$O$_{6}$. B) P$_{4}$O$_{6}$. C) No reaction occurs. D) P$_{4}$O$_{10}$. Show Answer Correct Answer: B) P$_{4}$O$_{6}$. 32. How do halogens typically react with alkali metals? A) Halogens react with alkali metals to create metallic bonds. B) Halogens typically react with alkali metals to form ionic compounds, such as salts. C) Halogens react with alkali metals to form gases. D) Halogens do not react with alkali metals at all. Show Answer Correct Answer: B) Halogens typically react with alkali metals to form ionic compounds, such as salts. 33. What is the nature of the oxides of nitrogen and phosphorus? A) Basic and neutral. B) Alkaline and acidic. C) Acidic and amphoteric. D) Neutral and amphoteric. Show Answer Correct Answer: C) Acidic and amphoteric. 34. What is the primary characteristic of Group 15 elements? A) They primarily form ionic compounds. B) They are all gases at room temperature. C) They exhibit multiple oxidation states and form covalent bonds. D) They have a fixed oxidation state of +3. Show Answer Correct Answer: C) They exhibit multiple oxidation states and form covalent bonds. 35. What will be the A and B in the following equations. 8NH$_{3}$ + Cl$_{2}$ (A) = 6NH$_{4}$Cl + N$_{2}$$_{ }$NH$_{3}$ + 3Cl$_{2 }$(B) = NCl$_{3 }$+ 3HCl A) A = Excess, B = Excess. B) A = Excess, B = Limited. C) A = Limited, B = Limited. D) A = Limited, B = Excess. Show Answer Correct Answer: D) A = Limited, B = Excess. 36. Which element is found in group 15 of the periodic table? A) Hydrogen. B) Chlorine. C) Helium. D) Phosphorus. Show Answer Correct Answer: D) Phosphorus. 37. Neutrals atoms electron configurations that end in s$^{2}$p$^{6}$$^{ }$in the highest energy level belong to which group? A) Noble Gases. B) Alkali Metals. C) Halogens. D) Alkaline Earth Metals. Show Answer Correct Answer: A) Noble Gases. 38. As going down Group 18, the atomic size of the atom ..... A) Increases. B) Decreases. C) Remain the same. D) None of the above. Show Answer Correct Answer: A) Increases. 39. Match the following(A) H$_{2}$SO$_{4 }$ (1) Highest electron gain enthalpy(B) CCl$_{3}$NO$_{2}$ (2) Chalcogen(C) Cl$_{2 }$ (3) Tear gas(D) Sulphur (4) Storage batteries A) A (4) B (1) C (2) D (3). B) A (2) B (1) C (3) D (4). C) A (3) B (4) C (1) D (2). D) A (4) B (3) C (1) D (2). Show Answer Correct Answer: D) A (4) B (3) C (1) D (2). 40. The structure of borazine is: A) Octahedral. B) Linear. C) Hexagonal ring. D) Trigonal planar. Show Answer Correct Answer: C) Hexagonal ring. 41. . Which of the following compounds has a bond angle close to 90$^{0 }$? a. NH$_{3}$ b. H$_{2}$S c. H$_{2}$O CH$_{4}$ A) H$_{2}$O. B) H$_{2}$S. C) NH$_{3}$. D) CH$_{4}$. Show Answer Correct Answer: B) H$_{2}$S. 42. Diborane formula A) B2H6. B) B2H7. C) B6H6. D) B2H5. Show Answer Correct Answer: C) B6H6. 43. Total number of lone pair of electrons in XeOF$_{4}$ is A) 1. B) 2. C) 0. D) 3. Show Answer Correct Answer: A) 1. 44. What is the molecular geometry of SF$_{4 }$ A) Seesaw. B) Tetrahedral. C) Tetragonal. D) Square planar. Show Answer Correct Answer: A) Seesaw. 45. Nitrogen always acquires-3 oxidation state by sharing of electrons while other elements do so by gaining of electrons. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 46. Which is the most abundant element on the earth's crust among group 15 elements A) Phosphorous. B) Neon. C) Helium. D) Astatine. Show Answer Correct Answer: A) Phosphorous. 47. Which one of the following is not an use of ammonia? A) To produce various nitrogenous fertilizers. B) As a refrigerate. C) In manufacture of nitric acid. D) In the pickling of stainless steel. Show Answer Correct Answer: D) In the pickling of stainless steel. 48. Nitrogen cannot exhibit co valancy more than four due to A) Presence of vacant d orbitals. B) Due to large size. C) Due to absence of vacant d orbitals. D) Due to inert nature. Show Answer Correct Answer: C) Due to absence of vacant d orbitals. 49. Which property of halogens increases from fluorine to iodine A) Ionization energy. B) Atomic size. C) Melting point. D) Electronegativity. Show Answer Correct Answer: B) Atomic size. 50. Which of the following elements belongs to Group 17? A) Argon. B) Sulphur. C) Chlorine. D) Aluminium. Show Answer Correct Answer: C) Chlorine. 51. Anomalous behavior of Be is due to: A) Small size and high charge density. B) Its metallic nature. C) High electronegativity. D) Presence of unpaired electrons. Show Answer Correct Answer: A) Small size and high charge density. 52. Borazine is also called: A) Boron hydride. B) Hydrated borax. C) Alumina. D) Inorganic benzene. Show Answer Correct Answer: D) Inorganic benzene. 53. Which statement about carbon and silicon is correct? A) They have the same electronegativity. B) Both can form giant covalent structures. C) Silicon is more reactive than carbon. D) Carbon always forms ionic compounds. Show Answer Correct Answer: B) Both can form giant covalent structures. 54. What is the significance of the P block in the periodic table? A) The P block is primarily made up of radioactive elements. B) The P block is significant for its diverse elements that are essential for life, chemical bonding, and various industrial applications. C) The P block contains only metals that are not used in industry. D) The P block is significant for its role in nuclear reactions. Show Answer Correct Answer: B) The P block is significant for its diverse elements that are essential for life, chemical bonding, and various industrial applications. 55. When diborane is subjected to methylation, how many hydrogens are methylated in diborane? A) 4. B) 3. C) 2. D) 6. Show Answer Correct Answer: A) 4. 56. Which of the following elements can be involved inpp-dp bonding? A) (C) Phosphorus. B) D) Boron. C) (B) Nitrogen. D) (A) Carbon. Show Answer Correct Answer: A) (C) Phosphorus. 57. What did Haber synthesis is for? A) Synthesizing Ammonia. B) Synthesizing Chlorine gas. C) Synthesizing Sulphuric acid. D) Synthesizing Mustard gas. Show Answer Correct Answer: A) Synthesizing Ammonia. 58. A brown ring is formed in the ring test for NO3-ion. It is due to the formation of: A) [Fe(H2O)5(NO)]2+. B) FeSO4.HNO3. C) [Fe(H2O)4(NO)2]2+. D) FeSO4.NO2. Show Answer Correct Answer: A) [Fe(H2O)5(NO)]2+. 59. Which of the following physical properties describe Group 18 elements? A) Group 18 elements generally exists as liquid in room temperature. B) Group 18 elements generally has high melting point. C) Group 18 elements are reactive towards oxygen gas, O$_{2}$. D) Group 18 elements generally has low boiling point. Show Answer Correct Answer: D) Group 18 elements generally has low boiling point. 60. Ammonia is liquid while phosphine is a gas . Why? A) Due to more molar mass ammonia has maximum van der wall force of attraction. B) Due to more molar mass, ammonia has less van der wall force of attraction. C) Due to the presence of inter molecular hydrogen bonding in ammonia. D) Due to the absence of hydrogen bonding in ammonia. Show Answer Correct Answer: C) Due to the presence of inter molecular hydrogen bonding in ammonia. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 1Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 2Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 3Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 4Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 5Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 6Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 8Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books