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Ideal Gas Equation

What is the a...

Question

What is the amount of $O_{2}$ liberated at $S T P$ by " $30$ volume" $1 L$ solution of $H_{2} O_{2}$ ?

1.5 L

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2.5 L

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30 L

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3 L

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Solution

The correct option is C $30 L$

The volume calculations of $H_{2} O_{2}$ is referred to the amount of the volume of oxygen produced on decomposition of $H_{2} O_{2}$ . As, 1 ml of 10 volume $H_{2} O_{2}$ will produce 10 ml of oxygen when it is totally decomposed. In this manner, 1 liter of 30 volume $H_{2} O_{2}$ will produce 30 liters of oxygen.
Hence option $C$ is correct.

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