Class 12 Chemistry Notes – Common Name system of Alcohols

In common names monohydric alcohols are called as  alkyl alcohols

CH₃ OH  –  Methyl Alcohol

CH₃ CH₂ OH  –  Ethyl alcohol

CH₃ CH₂ CH₂ CH₂ CH₂ OH  –   Pentyl alohol

For dihydric alcohols:-

The a – glycols are named by adding the word glycol to the name of alkene

For example:-

OH – CH₂ – CH₂ –OH

Ethylene glycol

Important Question Answers

Question 1 Give the IUPAC name of following:-

Answer

(i) Hexan-2, 3-diol

(ii) Ethanol or Eth–1–en-1–ol

(iii) Butan–2–ol

(iv) 2–MethylButan–2–ol

Class 12 Chem Alcohols, Phenols and Ethers All Topics Notes Class 12 Chemistry All Chapter Notes