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How many mL of perhydrol is required to ...

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

A

10ml

B

5ml

C

20ml

D

30ml

Text Solution

Verified by Experts

The correct Answer is:
a
Perhydrol means 30%`H_(2)O_(2)` solution or 100 volume `H_(2)O_(2)` solution i.e.,volume strength of 30%` H_(2)O_(2)` solution is `100`
Volume of `O_(2)` at STP=volume strength of `H_(2)O_(2) `
`xx`Volume of` H_(2)O_(2)`
`100xx1`
(therefore take, vol. of `H_(2)` `O_(2)=1ml`)
=100ml
`underset("2L")(2SO_(2))+underset("1L")(O_(2))tounderset("2L")(2SO_(3))`
100mL of oxygen is obatined by 1mL of `H_(2)O_(2)`
1000mL of oxygen is obatined by x ml of `H_(2)O_(2)`
` rArr x=(1xx1000)/(100)`
`10 mL` of `H_(2)O_(2)`
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