Q. Pyrosilicate ion is:

1828 210 KEAMKEAM 2002 Report Error

A

$S i O_{2}^{2 -}$

B

$S i O_{4}^{2 -}$

C

$S i_{2} O_{4}^{6 -}$

D

$S i O_{3}^{-}$

E

$S i_{2} O_{7}^{6 -}$

Solution:

Pyrosilicate ion is $S i_{2} O_{7}^{6 -}$ .