In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T$:
$H_6\underline{Si}_2O_7 + H_2O \longrightarrow H_4SiO_4$

• A
  If product is an oxy acid with $-ic$ suffix.
• B
  If product is an oxy acid with $-ous$ suffix.
• C
  If product consists of two oxy acids,one with $-ic$ suffix and the other with $-ous$ suffix.
• D
  If product is not an oxy acid,neither with $-ic$ suffix nor with $-ous$ suffix.