What is the volume of `O_2` liberated at N.T.P. by complete decomposition of 100mL of 2m solution of `H_2O_2? `

Explanation

To find the volume of \( O_2 \) liberated at N.T.P. by the complete decomposition of 100 mL of a 2M solution of \( H_2O_2 \), we can follow these steps:

### Step 1: Understand the decomposition reaction of \( H_2O_2 \)
The decomposition of hydrogen peroxide (\( H_2O_2 \)) can be represented by the following balanced chemical equation:
\[ 2 H_2O_2 \rightarrow 2 H_2O + O_2 \]
From this equation, we can see that 2 moles of \( H_2O_2 \) produce 1 mole of \( O_2 \).
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