This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 7 P Block Elements Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. SO$_{3}$ reacts with water to form ..... A) H$_{2}$SO$_{4}$. B) HSO$_{3}$. C) HSO$_{4}$. D) H$_{3}$SO$_{3}$. Show Answer Correct Answer: A) H$_{2}$SO$_{4}$. 2. The correct order of acidic strength is A) K$_{2}$O>CaO>MgO. B) CO$_{2}$>N$_{2}$O$_{5}$>SO$_{3}$. C) Na$_{2}$O>MgO>Al$_{2}$O$_{3}$. D) Cl$_{2}$O$_{7>}$SO$_{2}$>P$_{4}$O$_{10}$. Show Answer Correct Answer: D) Cl$_{2}$O$_{7>}$SO$_{2}$>P$_{4}$O$_{10}$. 3. How does the reactivity of group 13 elements change down the group? A) Reactivity is highest at the top of the group. B) Reactivity increases down the group. C) Reactivity decreases down the group. D) Reactivity remains constant down the group. Show Answer Correct Answer: B) Reactivity increases down the group. 4. Which of the following pairs are incorrect? A) Argon-used to treat cancer. B) Neon-used in advertising board lights. C) Helium-used to fill weather balloons. D) Xenon-used for lighthouse lamps. Show Answer Correct Answer: A) Argon-used to treat cancer. 5. In a chemistry class, Aanya is curious about the halogen family and asks her teacher which element has less electronegativity. A) Astatine. B) Germanium. C) Polonium. D) Krypton. Show Answer Correct Answer: A) Astatine. 6. Which of the following is the least basic in nature- A) La(OH)$_{3}$. B) Ce(OH)$_{3}$. C) Yb(OH)$_{3}$. D) Lu(OH)$_{3}$. Show Answer Correct Answer: D) Lu(OH)$_{3}$. 7. Which of the following is a solid at room temperature? A) Fluorine. B) Chlorine. C) Bromine. D) Iodine. Show Answer Correct Answer: D) Iodine. 8. Which one has the lowest boiling point? A) NH3. B) PH3. C) AsH3. D) SbH3. Show Answer Correct Answer: B) PH3. 9. What is the element symbol of silicon? A) Sn. B) Se. C) Sc. D) Si. Show Answer Correct Answer: D) Si. 10. 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$^{+1}$. 11. What is the element name of this symbol Bi? A) Besmuth. B) Bestman. C) Bismith. D) Bismuth. Show Answer Correct Answer: D) Bismuth. 12. 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 (1) B (2) C (3) D (4). B) A (4) B (1) C (2) D (3). C) A (3) B (2) C (4) D (1). D) A (4) B (3) C (1) D (2). Show Answer Correct Answer: B) A (4) B (1) C (2) D (3). 13. White phosphorous has characteristic A) Onion like smell. B) Garlic like smell. C) Egg like smell. D) Fish like smell. Show Answer Correct Answer: B) Garlic like smell. 14. The structure of ClF$_{3 is}$ A) T-shaped. B) Octahedral. C) Pyramidal. D) Tetrahedral. Show Answer Correct Answer: A) T-shaped. 15. 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. 16. What was the chemical that was used by the Germans that made Chlorine more lethal? A) Hydrobromic Acid. B) Hydrochloric Acid. C) Diphosphate. D) Phosgene COCl2. Show Answer Correct Answer: D) Phosgene COCl2. 17. Chlorine dissolves in water to give ..... solution A) Red. B) White. C) Green. D) Yellow. Show Answer Correct Answer: C) Green. 18. Which of the following noble gases can diffuse through rubber? A) Helium. B) Xenon. C) Argon. D) Krypton. Show Answer Correct Answer: A) Helium. 19. 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. 20. Ananya is studying the periodic table and wonders which of the following p-block element is a noble gas. A) Argon. B) Helium. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: A) Argon. 21. The oxyacid of sulphur that contains a lone pair of electrons on sulphur is A) Sulphurous acid. B) Sulphuric acid. C) Peroxidesulphuric acid. D) Pyrosulphuric acid. Show Answer Correct Answer: A) Sulphurous acid. 22. Carbon on treatment with conc.HNO$_{3}$ gives A) NO$_{2}$ + CO$_{2}$ + H$_{2}$O. B) NO + CO$_{2}$. C) NO$_{2}$+ NO + CO$_{2}$. D) H$_{2}$CO$_{3}$. Show Answer Correct Answer: A) NO$_{2}$ + CO$_{2}$ + H$_{2}$O. 23. Molecular formula for nitric acid A) HNO$_{3}$. B) HNO$_{2}$. C) HNO$_{4}$. D) H$_{2}$NO. Show Answer Correct Answer: A) HNO$_{3}$. 24. H$_{2}$S is less acidic than H$_{2}$Te because A) H-Te bond dissociation enthalpy is less 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 greater than that of H-S. Show Answer Correct Answer: A) H-Te bond dissociation enthalpy is less than that of H-S. 25. Hydrogen bonding does NOT play any role in the boiling point of A) NH$_{3}$. B) H$_{2}$O. C) HF. D) HI. Show Answer Correct Answer: D) HI. ← 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