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How many mL of perhydrol is requried to ...

How many mL of perhydrol is requried to produce sufficient oxygen which can be used to completely convert 2 L of `SO_(2)` gas of `SO_(3)` gas?

A

10 ml

B

5 ml

C

20 ml

D

30 ml

Text Solution

Verified by Experts

The correct Answer is:
A
Perhydrol menas 30% solutions of `H_(2)O_(2)`
`H_(2)O_(2)` decomposes as
`2H_(2)O_(2)to2H_(2)O+O_(2)`
Volume strength of 30% solution is 100 that means this solution on decomposition gives 100 ml oxygen.
`{:(SO_(2),+,1//2O_(2),to,SO_(3)),("1L",,"1/2L",,"1L"),("2L","","1L",,"2L"):}`
Since, 100 ml of oxygen is obtained by = 1 ml of `H_(2)O_(2)`
`therefore` 1000 ml of oxygen will be obtained by
= `=1/100xx1000ml" of "H_(2)O_(2)`
= 10 ml of `H_(2)O_(2)`
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