When superheated steam is passed through white hot coke, it gets reduced to a mixture of X and Y. Y is a highly inflammable gas. The mixture of X and Y is named as Z.
Identify X.

Options

A. `NO_2`
B. CO
C. `SO_2`
D. `CO_2`

Answer

To solve the problem, we need to identify the components formed when superheated steam is passed through white hot coke. Here’s a step-by-step breakdown of the solution:

### Step 1: Understand the Reaction
When superheated steam (which is water vapor at high temperature) is passed over white hot coke (which is primarily carbon), a chemical reaction occurs. The carbon in coke reacts with the steam.

### Step 2: Identify the Products
The reaction between carbon and steam typically produces two gases:
- Carbon monoxide (CO)
- Hydrogen gas (H2)

### Step 3: Define the Variables
In the problem:
- Let X be the product that is carbon monoxide (CO).
- Let Y be the product that is hydrogen gas (H2), which is described as a highly inflammable gas.
- The mixture of X and Y is referred to as Z.

### Step 4: Write the Chemical Equation
The chemical reaction can be represented by the following equation:
\[ \text{C} + \text{H}_2\text{O} \rightarrow \text{CO} + \text{H}_2 \]

### Conclusion
From the above steps, we can conclude:
- **X (the first product)** is carbon monoxide (CO).
- **Y (the highly inflammable gas)** is hydrogen (H2).
- **Z (the mixture)** is a combination of carbon monoxide and hydrogen.

### Final Answer
X = Carbon monoxide (CO)

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