Alcohols exam questions

Question 1

give one pro and con of manufacturing ethanol by fermentation rather than by fermentation

Answer 1

pro= low tec
con=slow

Question 2

give a suitable reagent and reaction conditions for the oxidation of ethanol to form the carboxylic acid as the major product

Answer 2

regent= potassium dichromate
conditions =heat under reflex

Question 3

give a suitable reagent and state the necessary conditions for the conversion of prop-2-ol into propanone. name the type of reaction

Answer 3

regent: potassium dichromate
conditions: acidified
type of reaction: oxidation

Question 4

give an example of a dehydrating agent

Answer 4

concentrated phosphoric acid

Question 5

give the meaning the term of bond enthalpy

Answer 5

energy needed to break covalent bonds
average for that type of bond over different compounds