Q. The chemical composition of cryolite mineral is

2286 197 The p-Block Elements Report Error

A

$A l_{2} O_{3}$

10%

B

$A l_{2} O_{3} .12 H_{2} O$

20%

C

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

5%

D

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

65%

Solution:

Cryolite mineral is $N a_{3} A l F_{6}$