From the following statements regarding `H_(2)O_(2)`, choose the incorrect statements:
A
It decomposes on exposure to light
B
It has to be stored in plastic or wax lined glass bottles in dark
C
It has to be kept away from dust
D
It can act only as an oxidizing agent
Text Solution
AI Generated Solution
The correct Answer is:
To determine the incorrect statements regarding hydrogen peroxide (H₂O₂), let's analyze each statement step by step.
### Step 1: Analyze the First Statement
**Statement:** H₂O₂ decomposes on exposure to light.
**Analysis:** This statement is correct. Hydrogen peroxide is known to decompose into water (H₂O) and oxygen (O₂) when exposed to light and heat due to the weak O-O bond in its structure.
### Step 2: Analyze the Second Statement
**Statement:** H₂O₂ should be kept in dark and in specific containers.
**Analysis:** This statement is also correct. To prevent its decomposition, H₂O₂ is typically stored in dark bottles, often made of plastic or wax-lined glass, to minimize exposure to light.
### Step 3: Analyze the Third Statement
**Statement:** H₂O₂ should be kept away from dust.
**Analysis:** This statement is correct. Dust can contain organic materials that, when in contact with hydrogen peroxide, can lead to spontaneous combustion reactions, which can be explosive.
### Step 4: Analyze the Fourth Statement
**Statement:** H₂O₂ acts only as an oxidizing agent.
**Analysis:** This statement is incorrect. Hydrogen peroxide can act both as an oxidizing agent and a reducing agent. The oxidation state of oxygen in H₂O₂ is -1, which allows it to either lose an electron (acting as an oxidizing agent) or gain an electron (acting as a reducing agent).
### Conclusion
The incorrect statement regarding H₂O₂ is the fourth statement, which claims that it acts only as an oxidizing agent.
### Final Answer
The incorrect statement is: "H₂O₂ acts only as an oxidizing agent."
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