Interview
Preparation of phenol and it's properties
- Course
- Institution
phenol all course available. it is preparation of phenol and chemical properties and physical properties.
[Show more]
Seller
Follow
gaurabsapkota
Content preview
PhenolHydroxy derivative of aromatic hydrocarbon in which –OH
group is directly bonded to aromatic ring is called Phenol.
OH
Preparation of phenol :
1. From chlorobenzene (Dow’s process):
Chlorobenzene when heated with sodium hydroxide at 350°C
and 300 atm pressure gives sodium phenoxide which on
acidification with dil. HCl, yield phenol .
Cl ONa
350°C
+ NaOH + HCl
300 atm
, ONa OH
+ HCl + NaCl
2. From diazonium salt:
On warming aq. solution of benzene diazonium salt in the
presence of little dilute sulphuric acid, phenol is obtained .
N=N-Cl
OH
H2O/H +
+ N2 +HCl
3. From sulphonic acid :
Sodium salt of benzene sulphonic acids on fused with sodium
hydroxide (solid) at 300°C followed by acidification gives
phenol.
, SO3Na ONa
2NaOH
+ Na2SO3 + H2O
Fuse
ONa OH
+ HCl + NaCl
4. By decarboxylation of sodium salicylate:
Sodium salicylate on distillation with sodalime
followed by acidification , phenol is obtained .
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 gaurabsapkota. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.19. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now