On heating sodium acetate with sodalime the gas evolved will be

Options

A. `C_2H_2`
B. `CH_4`
C. `C_3H_6`
D. `C_3H_4`

Explanation

To solve the question of what gas is evolved when sodium acetate is heated with soda lime, we can follow these steps:

### Step 1: Understand the Components
Soda lime is a mixture of sodium hydroxide (NaOH) and calcium oxide (CaO). In this reaction, we are primarily concerned with sodium hydroxide.

### Step 2: Write the Reaction
When sodium acetate (CH3COONa) is heated with soda lime (NaOH + CaO), a reaction occurs. The sodium acetate reacts with sodium hydroxide to produce methane (CH4) and sodium carbonate (Na2CO3).

### Step 3: Identify the Products
The products of the reaction are:
1. Methane (CH4) - This is the gas evolved.
2. Sodium carbonate (Na2CO3) - This remains in the solid state.

### Step 4: Conclusion
Thus, the gas evolved when sodium acetate is heated with soda lime is methane (CH4).

### Final Answer
The gas evolved will be methane (CH4).

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