`Cl_2O_6` reacts with water and alkali to give:

Options

A. (A) Only sodium chlorate
B. (B) Only sodium perchlorate
C. (C) Both sodium chlorate and sodum perchlorate
D. (D) None of these

Answer

To solve the problem of what `Cl2O6` reacts with water and alkali to produce, we can follow these steps:

### Step 1: Identify the Reactants
We have the compound `Cl2O6`, which is dichlorine hexoxide. We are also given water and an alkali (which we can assume to be sodium hydroxide, NaOH, for this reaction).

### Step 2: Write the Reaction
When `Cl2O6` reacts with water, it can hydrolyze to form chlorate and perchlorate ions. The general reaction can be represented as:
\[ \text{Cl}_2\text{O}_6 + \text{H}_2\text{O} \rightarrow \text{ClO}_3^- + \text{ClO}_4^- \]

### Step 3: Combine with Alkali
When we introduce an alkali like sodium hydroxide (NaOH), the chlorate and perchlorate ions will react with sodium ions to form sodium chlorate and sodium perchlorate:
\[ \text{Cl}_2\text{O}_6 + \text{2 NaOH} + \text{H}_2\text{O} \rightarrow \text{NaClO}_3 + \text{NaClO}_4 + \text{H}_2\text{O} \]

### Step 4: Identify the Products
From the reaction, we can see that the products formed are:
- Sodium chlorate (NaClO3)
- Sodium perchlorate (NaClO4)

### Step 5: Conclusion
Thus, the reaction of `Cl2O6` with water and alkali produces both sodium chlorate and sodium perchlorate.

### Final Answer
The correct answer is that `Cl2O6` reacts with water and alkali to give sodium chlorate (NaClO3) and sodium perchlorate (NaClO4).

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