P-Block Elements Ques 508
Question: $ ( Si_2O_5 )_{n}^{2n-} $ anion is obtained when:
Options:
A) no oxygen of a $ SiO_4^{4-} $ ’tetrahedron is shared with another $ SiO_4^{4-} $ tetrahedron
B) one oxygen of a $ SiO_4^{4-} $ tetrahedron is shared with another $ SiO_4^{4-} $ tetrahedron
C) two oxygen of a $ SiO_4^{4-} $ tetrahedron are shared with another $ SiO_4^{4-} $ tetrahedron
D) three oxygen of a $ SiO_4^{4-} $ tetrahedron are shared with another $ SiO_4^{4-} $ tetrahedron
Show Answer
Answer:
Correct Answer: D
Solution:
Total No. oxygen atoms per silicon atom $ =\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+1=2.5 $
$ \therefore $ Formula $ Si_2O_5^{2-}. $
