White phosphorus xrightarrow-High P-473 K-X- Red phosphorus xrightarrow-sealed- tube-803 k- Y-Incorrect statement-Y may be opaque monoclinic crystalY may be Rhombohedral crystalX does not burn in air up to 673KX is beta and Y is a alpha black-

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White phosphorus 473K−−−−→HighPX, Red phosphorus x→[sealedtube]803k Y.Incorrect statement-Y may be opaque monoclinic crystalY may be Rhombohedral crystalX does not burn in air up to 673KX is β and Y is a α black.

White phosphorus $473 K - --- \to H i g h P$ X, Red phosphorus $x \to [s e a l e d t u b e] 803 k$ Y.
Incorrect statement-

Y may be opaque monoclinic crystal
Y may be Rhombohedral crystal
X does not burn in air up to 673K
X is $β$ and Y is a $α$ black.