Permonosulphuric acid is known as

Options

A. Marshall's acid
B. Caro's acid
C. Sulphuric acid
D. Sulphurous acid Ozone

Answer

To solve the question "Permonosulphuric acid is known as," we can follow these steps:

### Step 1: Identify the Chemical Formula
Permonosulphuric acid is represented by the chemical formula H2SO5.

### Step 2: Understand the Structure
Permonosulphuric acid consists of two hydrogen atoms, one sulfur atom, and five oxygen atoms. This structure can be visualized as follows:
- The sulfur atom is at the center, bonded to one hydroxyl group (–OH) and four oxygen atoms, where one of the oxygen atoms is part of a double bond.

### Step 3: Find the Common Name
The common name for per monosulphuric acid is "Caros acid." This name is derived from its chemical properties and historical context in chemistry.

### Step 4: Conclusion
Thus, the answer to the question is that perm monosulphuric acid is known as Caros acid.

### Final Answer
Permonosulphuric acid is known as Caros acid.

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