Question

Certain solvents create ________________ when exposed to the ultraviolet light given off during the electron beam welding process?

1) chlorinated hydrocarbons
2) ethyl chloride
3) phosgene gas
4) carbon monoxide

Answer 1

Chlorinated hydrocarbons can react to form phosgene gas when exposed to ultraviolet light, such as during electron beam welding processes.

Step-by-step explanation:

Certain solvents can create dangerous by-products when exposed to the ultraviolet light given off during processes like electron beam welding.

In particular, when chlorinated hydrocarbons like carbon tetrachloride (CCl4) are subjected to ultraviolet light, they can react to form phosgene gas (COCl2), which is highly toxic and potentially deadly. It's important to note that the use of chlorinated hydrocarbons has been greatly reduced due to their toxicity and harmful environmental effects.