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QJEEM22Ch5d58: JEE Main 2022 Chemistry - Class 12 JEEM22Ch5d58 Solution: A Red phosphorus B Red phosphorus is obtained by heating "A" at …
A Red phosphorus B
Red phosphorus is obtained by heating "A" at 573 K, and can be converted to "B" by heating at 803 K under pressure.
A and B, respectively, are
Multiple Choice Options
- A -black phosphorus and white phosphorus.
- B white phosphorus and -black phosphorus.
- C -black phosphorus and white phosphorus.
- D white phosphorus and -black phosphorus.
Step-by-Step Verified Solution
Red phosphrous is obtained by heating white phosphorous at in inert atmosphere. When red phosphorous is heated in a sealed tube at , we get -black phosphorous.
-Black phosphorous is prepared by heating white phosphorous at under high pressure.
-Black phosphorous is prepared by heating white phosphorous at under high pressure.