In a reaction,200ml of hydrogen peroxide sample solution (at STP) liberated 3 litres of oxygen. What is the concentration (in % w/v) of the $H_{2}$ $O_{2}$ in the sample?

3.4%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

3.03%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4.5%

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
4.5%

200 ml of $H_{2}$ $O_{2}$ gives 3000ml of $O_{2}$ ,

1ml of $H_{2}$ $O_{2}$ = 15ml i.e., 15 volumes

10 vol = 3% i.e., 15 vol = 4.5%

Suggest Corrections

Similar questions

m L

H_{2} O_{2}

m L

O_{2}

H_{2} O_{2}

A fresh $H_{2} O_{2}$ solution is labelled 11.2V. This solution has the same concentration as a solution which is:

15 mL

20

H_{2} O_{2}

Join BYJU'S Learning Program