Which are allotopes of phosphurus and sulphur
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Elemental phosphorus can exist in several allotropes, the most common of which are white and red solids.
Crystalline sulfur consists of puckered S8 rings in the shape of crowns. These can be packed together in two different ways – to form rhombic crystals and to form needle-shaped monoclinic crystals
Crystalline sulfur consists of puckered S8 rings in the shape of crowns. These can be packed together in two different ways – to form rhombic crystals and to form needle-shaped monoclinic crystals
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Answer:
✪Allotrope of phosphorus ✪
Phosphorus has many allotropes. But there are three main allotopic form of phosphorus is
White phosphorus
Red phosphorus
Black phosphorus
➽ White Phosphorus :
It is a waxy and translucent solid.
It is very delicate and need proper handling.
It is insoluble in water.
It catches fire suddenly in the air at around 35°C
➽ Red Phosphorus :
It is iron-grey in colour
It is a radiant and bright crystalline solid.
It doesn't dissolved in water.
We can find it in state of a polymeric solid.
➽ Black Phosphorus :
It is most stable allotrope of phosphorus.
It has a layered structure.
It found in two forms alpha black phosphorus and beta black phosphorus.
Beta black conducts electricity while beta black doesn't.
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