EAMCET Engineering 2009 Solved Paper

Perhydrol means 30% solution of H2O2. H2O2 decomposes as
2H2O2→2H2O+O2
Volume strength of 30%H2O2 solution is 100 that means 1‌mL of this solution on decomposition gives 100‌mL oxygen.
‌SO2+‌

1

2

O2→SO3
Since, 100‌mL of oxygen is obtained by
=1‌mL‌ of ‌H2O2
∴1000‌mL of oxygen will be obtained by
‌=‌

1

100

×1000‌mL‌ of ‌H2O2
‌=10‌mL‌ of ‌H2O2