1-Butene may be converted to butane by reaction with :

Options

A. `Zn-Hg`
B. `Pd//H_(2)`
C. `Zn-HCl`
D. `Sn//HCl`

Explanation

To convert 1-butene to butane, we can follow these steps:

### Step-by-Step Solution:

**Step 1: Identify the Reactants and Products**
- The reactant is 1-butene (C4H8), which has a double bond between the first and second carbon atoms.
- The product is butane (C4H10), which is an alkane with all single bonds.

**Step 2: Understand the Reaction Type**
- The conversion of an alkene (1-butene) to an alkane (butane) is called hydrogenation. This involves the addition of hydrogen (H2) across the double bond.

**Step 3: Write the Reaction**
- The reaction can be represented as:
\[ \text{C}_4\text{H}_8 + \text{H}_2 \xrightarrow{\text{catalyst}} \text{C}_4\text{H}_{10} \]
- Here, H2 is the hydrogen gas that will be added to the 1-butene.

**Step 4: Identify the Catalyst**
- Hydrogenation reactions typically require a catalyst to proceed efficiently. Common catalysts include Nickel (Ni), Platinum (Pt), and Palladium (Pd).
- For this reaction, we can use any of these catalysts, but Palladium is specifically mentioned in the context of the question.

**Step 5: Conclusion**
- Therefore, 1-butene can be converted to butane by reacting it with hydrogen gas (H2) in the presence of a catalyst such as Palladium.

### Final Answer:
1-Butene may be converted to butane by reaction with hydrogen gas (H2) in the presence of a catalyst like Palladium (Pd).

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