Q. The chemical composition of cryolite mineral is

1575 256 The p-Block Elements Report Error

A

$A l_{2} O_{3}$

6%

B

$A l_{2} O_{3} \cdot 12 H_{2} O$

50%

C

$K A lS i_{3} O_{8}$

19%

D

$N a_{3} A l F_{6}$

25%

Solution:

Cryolite $- N a_{3} A l F_{6}$