What happens when (give only balanced equations and write the names of the reactants and products )
Ethyne reacts with chlorine.

Explanation

To solve the question regarding the reaction of ethyne with chlorine, we will write the balanced equations and identify the reactants and products.

### Step 1: Identify the Reactants
The reactants in this reaction are:
1. Ethyne (C₂H₂), also known as acetylene.
2. Chlorine gas (Cl₂).

### Step 2: First Reaction - Formation of 1,2-Dichloroethane
...