Alcohols

Question 1

what is the functional group of alcohols?

Answer 1

OH group

Question 2

what is meant by primary, secondary or tertiary alcohol?

Answer 2

if the C bonded with the OH group is bonded with 1, 2 or 3 other C atoms, it is considered a primary, secondary or tertiary alcohol, respectively

Question 3

by what kind of reaction can alcohols be formed from halogenoalkanes, and name the reagent?

Answer 3

reflux, aqueous alkali

Question 4

by what kind of reaction can alcohols be formed from aldehydes, ketones or carboxylic acids?

Answer 4

reduction

Question 5

what kind of alcohol is formed by reducing an aldehyde?

Answer 5

primary

Question 6

what kind of alcohol is formed by reducing a ketone?

Answer 6

secondary

Question 7

name the reagent for production of an alcohol from aldehyde/ketone

Answer 7

aqueous NaBH4

Question 8

reagents/conditions for chlorination of alcohol+ product formed?

Answer 8

gaseous HCl, anhydrous ZnCl2, forms halogenoalkane (Cl)

Question 9

reagents/conditions for bromination of alcohol+ product formed?

Answer 9

in situ, KBr, 50% H2SO4, forms halogenoalkane (Br)

Question 10

reagents/conditions for iodination of alcohol+ product formed?

Answer 10

reflux, excess hydriodic acid, forms halogenoalkane (I)

Question 11

product formed + observations of reaction with ethanoyl chloride?

Answer 11

ester formed, misty fumes HCl

Question 12

product formed + reagent for reaction with carboxylic acid?

Answer 12

ester + H2O formed, concentrated H2SO4