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Pyrosulphurous acid is...

Pyrosulphurous acid is 

A

`H_(2)S_(2)O_(5)`

B

`H_(2)S_(2)O_(2)`

C

`H_(2)S_(2)O_(3)`

D

`H_(2)S_(2)O_(4)`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the identity of pyrosulphurous acid, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for the chemical formula of pyrosulphurous acid. We need to identify which of the given options corresponds to this acid. 2. **Analyzing the Options**: - **Option 1**: H2S2O5 - **Option 2**: H2S2O2 - **Option 3**: H2S2O3 - **Option 4**: H2S2O4 3. **Identifying Pyrosulphurous Acid**: - Pyrosulphurous acid is also known as disulphurous acid, which has the chemical formula H2S2O5. This is a key point to remember. 4. **Confirming the Structure**: - The structure of H2S2O5 consists of two sulfur atoms connected by a single bond, which aligns with the definition of pyrosulphurous acid. 5. **Final Answer**: Based on the analysis, the correct answer is **Option 1: H2S2O5**.
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