When ethene is mixed with chlorine in the presence of UV light, the following reaction takes place - VCE - SSCE Chemistry - Question 22 - 2016 - Paper 1
Question 22
When ethene is mixed with chlorine in the presence of UV light, the following reaction takes place.
CH₂CH₂(g) + Cl₂(g) ⇌ CH₂ClCH₂Cl(l)
Reactions of organic compoun... show full transcript
Worked Solution & Example Answer:When ethene is mixed with chlorine in the presence of UV light, the following reaction takes place - VCE - SSCE Chemistry - Question 22 - 2016 - Paper 1
Step 1
Addition
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In the reaction between ethene and chlorine, the double bond of ethene reacts with chlorine, resulting in the formation of a dichloroalkane. This process involves the addition of chlorine across the double bond, making it an addition reaction.
Step 2
Substitution
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
While substitution typically involves the replacement of one atom or group by another, in this scenario, the chlorine adds to the ethene without displacing any atoms. Therefore, substitution is not applicable in this case.
Step 3
Conclusion
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Based on the classifications available, the reaction is classified solely as an addition reaction. Thus, the correct answer is option A, as only addition applies.
