Which one is formed when red phosphorus... | P-Block Elements

JEE MAIN 2021

27.08.21_S2

Question

Which one of the following is formed (mainly) when red phosphorus is heated in a sealed tube at 803 K ?

Select the correct option:

White phosphorus

Yellow phosphorus

$\beta$-Black phosphorus

$\alpha$-Black phosphorus

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

When red phosphorus is heated in a sealed tube at $803 \mathrm{~K}, \alpha$-black phosphorus is formed.

Question Tags

JEE Main

Chemistry

Easy

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