Question

a compound x on losing partial water of crystallization gives compound y it is used for making Chalk and other pottery articles but when x is strongly heated it gives Z which is used as drying agent identify the chemical equation and its equation

Answer 1

A commonly used compound for making chalks and other pottery articles is plaster of paris. Its chemical formula is CaSO4.1/2H2O. It is obtained by CaSO4.2H2O on partial losing water of crystallization by controlled heating at 120o-130oC. When CaSO4.2H2O is strongly heated, it loses whole of water of crystallisation and gives anhydrous calcium sulphate. Thus 'x' is CaSO4.2H2O; y is CaSO4H2O and 'z' is CaSO4.

Answer 2

Answer:

Explanation: A commonly used compound for making chalks and other pottery articles is plaster of paris. Its chemical formula is (CaSO4)2.1/2 H2O. It is obtained by CaSO4.2H2O on partial losing water of crystallization by controlled heating 120°-130°C. When CaSO4.2H2O is strongly heated, it loses whole of water of crystallisation and gives anhydrous calcium sulphate. Thus 'x' is CaSO4.2H2O; y is CaSO4. 1/2H2O and 'z' is CaSO4.

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