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In the electrothermal process, the compo...

In the electrothermal process, the compound displaced by silica from calcium phosphate is

A

calcium phosphide

B

phosphine

C

phosphorus

D

phosphorus pentoxide

Text Solution

Verified by Experts

The correct Answer is:
D
`[Ca_(3)(PO_(4))_(2)+3SiO_(2)to3CaSiO_(3)+P_(2)O_(5)]xx2`
`(2P_(2)O_(5)+10CtoP_(4)+10CO)/(2Ca_(3)(PO_(4))_(2)16SiO_(2)+10Cto6CaSiO_(3)+P_(4)+10CO)`
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