This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. S is the ..... the most abundant element A) 16. B) 10. C) 13. D) 20. Show Answer Correct Answer: A) 16. 2. Aluminum ions are attracted to the A) Anode. B) Cathode. C) All the above. D) None of the above. Show Answer Correct Answer: B) Cathode. 3. Which of the following oxides is the most acidic? A) N2O5. B) P2O5. C) As2O5. D) Sb2O5. Show Answer Correct Answer: A) N2O5. 4. What is the correct oxidation state change for sulfur when bromide ions react with conc sulfuric acid? A) 6 to 4. B) 6 to 2. C) 6 to zero. D) 6 to-2. Show Answer Correct Answer: A) 6 to 4. 5. The hybridization state of the central atom and shape of the molecules is given below. Mark the incorrect combination. A) SO$_{3}$-sp$^{2}$ hybridisation, planar triangular. B) SO$_{2}$-sp$^{2}$ hybridisation, V-shaped. C) H$_{2}$SO$_{4}$-sp$^{2}$ hybridisation, V-shaped. D) O$_{3}$-sp$^{2}$ hybridisation, angular. Show Answer Correct Answer: C) H$_{2}$SO$_{4}$-sp$^{2}$ hybridisation, V-shaped. 6. Which group of the periodic table does not belong to the p-block? A) Group 13. B) Group 14. C) Group 18. D) Group 3. Show Answer Correct Answer: D) Group 3. 7. Electronic configuration of Tl A) [Xe] 5d104f146s26p1. B) [Xe] 5d104f146s26p2. C) [Xe] 5d54f146s26p2. D) [Xe] 5d104f146s16p2. Show Answer Correct Answer: A) [Xe] 5d104f146s26p1. 8. Which of the following is the most electronegative p-block element? A) Fluorine. B) Chlorine. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: A) Fluorine. 9. Which element has the highest radii in p-block element A) Bismuth. B) Nitrogen. C) Oxygen. D) Boron. Show Answer Correct Answer: A) Bismuth. 10. Which has the heighest electron affinity A) F. B) Cl. C) Br. D) I. Show Answer Correct Answer: B) Cl. 11. What is the name of the Group 15 element with atomic number 33? A) Phosphorus. B) Arsenic. C) Boron. D) Selenium. Show Answer Correct Answer: B) Arsenic. 12. What is the most stable oxidation state of aluminum? A) +2. B) +4. C) +3. D) +1. Show Answer Correct Answer: C) +3. 13. Which of the following is Phoshphonitrilic halide? A) PCl5. B) (PNCl2)3. C) PCl3. D) P2O5. Show Answer Correct Answer: B) (PNCl2)3. 14. In the context of redox properties of p-block elements, which statement is incorrect? A) Fluorine is the strongest oxidizing agent among the halogens due to its high electronegativity. B) The reducing power of halogens decreases down the group, with fluorine being the least potent reducer. C) Chlorine is a stronger oxidizing agent than iodine, reflecting the general trend in halogen reactivity. D) None of the above. Show Answer Correct Answer: B) The reducing power of halogens decreases down the group, with fluorine being the least potent reducer. 15. Among the following molecules, (i) XeO$_{3}$ (ii) XeOF$_{4}$ (iii) XeF$_{6}$Those having same no. of lone pairs on Xe are A) (i) & (ii) only. B) (i) & (iii) only. C) (ii) & (iii) only. D) (i), (ii) & (iii). Show Answer Correct Answer: D) (i), (ii) & (iii). 16. Which of the following is not a use of noble gases? A) Ar is widely used for filling incandescent electric bulbs. B) Ne is used in safety devices for protecting electrical instruments. C) Rd is used in radiotherapy of cancer. D) He is filled in tubes of cycles & scooters tyres. Show Answer Correct Answer: D) He is filled in tubes of cycles & scooters tyres. 17. During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud'. These are A) Fe and Ni. B) Ag and Au. C) Pb and Zn. D) Sn and Ag. Show Answer Correct Answer: B) Ag and Au. 18. D block elements generally form coloured compounds due to A) High charge/size ratio. B) D-d transition. C) Presence of d orbital. D) Lanthanoid contraction. Show Answer Correct Answer: B) D-d transition. 19. What is the electronic configuration of the Group 15 elements? A) Ns2np3. B) Ns2np2. C) Ns2np4. D) Ns2np5. Show Answer Correct Answer: A) Ns2np3. 20. Phosphine has ..... like smell A) Fish. B) Egg. C) Flower. D) None of th. Show Answer Correct Answer: A) Fish. 21. Helium is preferred to be used in balloons instead of hydrogen as helium is A) Incombustible. B) Lighter than hydrogen. C) More abundant than hydrogen. D) Non polarizable. Show Answer Correct Answer: A) Incombustible. 22. What is the general electronic configuration of alkali metals? A) [noble gas]np2. B) [noble gas]np1. C) [noble gas]ns1. D) [noble gas]ns2. Show Answer Correct Answer: C) [noble gas]ns1. 23. Ammonia is a liquid while phosphene is a gas . Why? A) Due to more molar mass ammonia has maximum vanderwaal's force of attraction. B) Due to more molar mass, ammonia has less vanderwaal's force of attraction. C) Due to presence of intermolecular hydrogen bonding in ammonia. D) Due to absence of hydrogen bonding in ammonia. Show Answer Correct Answer: C) Due to presence of intermolecular hydrogen bonding in ammonia. 24. What is the name of the ore that contains aluminum A) Bauxite. B) Cryolite. C) Aluminum oxide. D) Heamatite. Show Answer Correct Answer: A) Bauxite. 25. What does the combination of Chlorine gas and Water produce? A) Hydrobromic Acid. B) Phosgene. C) Hydrochloric Acid. D) Chlorine and Carbon Monoxide. Show Answer Correct Answer: C) Hydrochloric Acid. ← PreviousNext →Related 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 7Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 8Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 9Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books