Home > Class 12 Chemistry > Quizzes > Class 12 Chemistry Practice Test: P-Block Elements - Phosphorus - Allotropic Forms
Class 12 Chemistry Practice Test: P-Block Elements - Phosphorus - Allotropic Forms
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 69% • Most missed: “Which allotrope of phosphorus is the most stable?”
Class 12 Chemistry Practice Test: P-Block Elements - Phosphorus - Allotropic Forms
Time left 00:00
10 Questions

1. What is the allotrope of phosphorus in which P-atom completes its octet?
2. Beta-black phosphorus is prepared by heating white phosphorus.
3. Which allotrope of phosphorus is the most stable?
4. Like white phosphorus, which phosphorus also exists as P4?
5. Red phosphorus is kept under water to protect it from air.
6. From which type of phosphorus is alpha -black phosphorus formed?
7. Which allotrope of phosphorus does not catch fire easily?
8. Which allotrope of phosphorus is also called yellow phosphorus?
9. Which allotrope of phosphorus is the most reactive?
10. White phosphorus can be reconverted to red phosphorus.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 12 Chemistry: Alcohols, Phenols and Ethers Class 12 Chemistry: Solutions Class 12 Chemistry Practice Test: Polymers of Commercial Importance Class 12 Chemistry: Electrochemistry Class 12 Chemistry: Polymers Class 12 Chemistry: D and F-Block Elements Class 12 Chemistry Practice Test: Haloalkanes & Haloarenes - Chemical Reactions Class 12 Chemistry Practice Test: Amines Chemical Reactions Class 12 Chemistry Practice Test: Solid State Class 12 Chemistry Practice Test: Werner's Theory of Coordination Compounds
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.