Summary
Summary Reactions for unit 2 AS Chem
- Course
- Institution
Reactions taken place between alcohols and alkanes.
[Show more]
Seller
Follow
halima249
Content preview
Homologous Suffix Functional General Example Reactions IdentificationSeries Group Formula Tests
Alkane -ane C-C CnH2n+2 methane (1) Free radical substitution
ethane
Alkene -ene C=O CnH2n Butene (1) Electropholic addition *Bromine test from brown to
Ethene (2)addition polymerisation colourless i'd double bond present.
(3)
* Potassium manganate(VII) is also
changed from its purple colour to
colourless in the presence of
alkenes. Two OH groups are added
across the double bond, giving the
diol (alcohol with two -OH groups).
Halogenoalkane Halo- CnH2n+1X (1)Nucleophilic substitution * first part of the process is
(2) Elimination reaction hydrolysis, where the organic
compound is heated with aqueous
sodium hydroxide solution
* RX + NaOH(aq) → ROH + Na+(aq) +
X-(aq)
*
*
Alcohol -ol -OH CnH2n+1OH Ethanol (1) oxidation Acidified potassium
(2)esterification dichromate______ (VI) changes
(3) Elimination (dehydration) from __orange to green for 1° and
2° alcohols only. Doesn’t work for 3°
alcohols.
Aldehyde -al -C=O at end of CnH2nO Propanal (1) oxidation
compound
Ketone -one -C=O- In middle CnH2nO Propanone
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller halima249. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.67. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now