This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which one of the following can reduce concern sulfuric acid down to hydrogen sulfide? A) Fluoride ions. B) Chloride ions. C) Bromide ions. D) Iodide ions. Show Answer Correct Answer: D) Iodide ions. 2. What is the name of the following ion?ClO$_{4}$ $^{-}$ A) Chlorate ion. B) Chloride ion. C) Chlorite ion. D) Perchlorate ion. Show Answer Correct Answer: D) Perchlorate ion. 3. What are the decay products of radium? A) Radon and oxygen. B) Radon and nitrogen. C) Lanthanum and oxygen. D) Radon and Helium. Show Answer Correct Answer: D) Radon and Helium. 4. How does the stability of oxidation states vary among p block elements? A) All p block elements have the same oxidation state regardless of their position in the group. B) Heavier p block elements have fewer oxidation states than lighter ones. C) The stability of oxidation states decreases down the group in p block elements, with heavier elements showing more variability. D) The stability of oxidation states increases down the group in p block elements. Show Answer Correct Answer: C) The stability of oxidation states decreases down the group in p block elements, with heavier elements showing more variability. 5. Describe the reactivity trend of alkaline earth metals. A) Reactivity increases down the group. B) Reactivity decreases down the group. C) Reactivity is highest at the top of the group. D) Reactivity remains constant down the group. Show Answer Correct Answer: A) Reactivity increases down the group. 6. The bleaching action of SO2 is A) Pertmanent. B) Temprory. C) Can not say. D) None of the above. Show Answer Correct Answer: B) Temprory. 7. Bond dissociation enthalpy of E-H (E = element)bond is given below. Which of the compounds willact as strongest reducing agent?Compound NH3 PH3 AsH3 SbH31$\Delta$diss (E-H)/kJ mol.-389 322 297 255 A) NH3. B) PH3. C) AsH3. D) SbH3. Show Answer Correct Answer: D) SbH3. 8. Nitrogen forms A) 6 types of oxides with oxygen. B) 5 types of oxides with oxygen. C) 2 types of oxides with oxygen. D) 4 types of oxides with oxygen. Show Answer Correct Answer: A) 6 types of oxides with oxygen. 9. Based on what you have learnt, predict the properties of Astatine. Given that Astatine is an element in Group 17 of the Periodic Table. A) Dark brown colour gas with a rapid reaction with H$_{2}$O to give 2 acids. B) Black colour solid with a no reaction with H$_{2}$O. C) Black colour solid with a very slow reaction with H$_{2}$O to give 2 acids. D) Dark brown colour solid with a no reaction with H$_{2}$O. Show Answer Correct Answer: C) Black colour solid with a very slow reaction with H$_{2}$O to give 2 acids. 10. PH value is less for A) NH3. B) BiH3. C) SbH3. D) AsH3. Show Answer Correct Answer: B) BiH3. 11. What is the electronic configuration of gallium A) [Ar] 3d104s24p1. B) [Ar] 3d104s14p2. C) [Ar] 3d94s24p1. D) [Ar] 3d94s04p3. Show Answer Correct Answer: A) [Ar] 3d104s24p1. 12. Which groups of the periodic table are considered s-block elements? A) Groups 3 and 4. B) Groups 1 and 2. C) Groups 5 and 6. D) Groups 7 and 8. Show Answer Correct Answer: B) Groups 1 and 2. 13. An excess of aqueous solution of silver nitrate is added to an aqueous solution containing both potassium chloride and potassium bromide. the precipitate formed is the filtered off and washed with distilled water. The precipitate is then shaken with aqueous ammonia and filtered off again.which ion does the final filtrate contain? A) Chloride. B) Silver. C) Iodide. D) Potassium. Show Answer Correct Answer: A) Chloride. 14. What type of oxides are generally formed by nonmetals of the p-block? A) Basic. B) Amphoteric. C) Acidic. D) Neutral. Show Answer Correct Answer: C) Acidic. 15. Ammonia is a lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia? A) Cu$^{2+}$. B) Pb$^{2+}$. C) Ag$^{+}$. D) Cd$^{2+}$. Show Answer Correct Answer: B) Pb$^{2+}$. 16. Which of the following elements in group 15 has the highest atomic size? A) Nitrogen. B) Phosphorus. C) Arsenic. D) Antimony. Show Answer Correct Answer: D) Antimony. 17. Shaan is curious about the atomic number of the heaviest element of the p-block element. Can you help him find it? A) 86. B) 82. C) 84. D) 80. Show Answer Correct Answer: A) 86. 18. Ognasesson has been synthetically produced by collision of A) Ra & Ca. B) Cl & Ca. C) Cf & Cu. D) Ra & He. Show Answer Correct Answer: B) Cl & Ca. 19. In group 17 elements ..... is the most reactive element A) F. B) Cl. C) Br. D) I. Show Answer Correct Answer: A) F. 20. Which statement about the redox behavior of p-block elements is incorrect? A) Oxygen acts as a strong oxidizing agent, readily accepting electrons in reactions. B) The oxidizing ability of halogens decreases from fluorine to iodine. C) Arsenic shows a stronger reducing ability than oxygen, typical of its group behavior. D) None of the above. Show Answer Correct Answer: C) Arsenic shows a stronger reducing ability than oxygen, typical of its group behavior. 21. Assertion; S shows paramagnetic in nature, when present in vapour state, Reason; S exists as S$_{2}$ in vapour state A) Both assertion and reason correct but reason is not correct explanation of assertion. B) Both assertion and reason correct, reason is correct explanation of assertion. C) Both assertion and reason are not correct. D) Assertion is correct but reason is wrong. Show Answer Correct Answer: B) Both assertion and reason correct, reason is correct explanation of assertion. 22. Which is suitable condition for "Indsutrially ammonia gas is manufactured by Haber's Process" . A) 210 bar pressure, 773 K, [FeO]. B) 230 bar pressure, 770 K, [Fe3O4]. C) 200 bar pressure, 773 K, [FeO]. D) 230 bar pressure, 770 K, [Fe2O3]. Show Answer Correct Answer: C) 200 bar pressure, 773 K, [FeO]. 23. Atomic size of an atom depends on A) Principal quantum number. B) Shielding effect. C) Effective nuclear charge. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. Which is the correct thermal stability order for H$_{2}$E (E = O, S, Se, Te and Po)? A) H$_{2}$Se < H$_{2}$Te < H$_{2}$Po < H$_{2}$O < H$_{2}$S. B) H$_{2}$S < H$_{2}$O < H$_{2}$Se < H$_{2}$Te < H$_{2}$Po. C) H$_{2}$O < H$_{2}$S < H$_{2}$Se < H$_{2}$Te < H$_{2}$Po. D) H$_{2}$Po < H$_{2}$Te < H$_{2}$Se < H$_{2}$S < H$_{2}$O. Show Answer Correct Answer: D) H$_{2}$Po < H$_{2}$Te < H$_{2}$Se < H$_{2}$S < H$_{2}$O. 25. Among the tri halides of Nitrogen, which one is the least basic? A) NF3. B) NCl3. C) NBr3. D) Nl3. Show Answer Correct Answer: A) NF3. ← 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