14.2 - chemical properties of alcohols

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/13

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

14 Terms

1
New cards

alcohol + oxygen = ?

CO2 + H2O

2
New cards

is alcohol + oxygen = carbon dioxide + water an exothermic or endothermic reaction?

exothermic

3
New cards

is the combustion of alcohols a redox reaction or an oxidation reaction?

redox

4
New cards

give 2 examples of strong inorganic oxidising agents to oxidise alcohols

KMnO4 & K2Cr2O7

5
New cards

explain primary alcohols

they have a -OH bonded to 1 alkyl group

6
New cards

what can primary alcohols oxidise to?

oxidise to form aldehydes & can oxidise further into carboxylic acids

7
New cards

explain secondary alcohols

they had a -OH group bonded to a carbon attached to 2 alkyl groups

8
New cards

what can oxidised secondary alcohols form?

ketones

9
New cards

explain tertiary alcohols

they dont react / they don’t normally oxidise by heating in the presence of a strong oxidant

10
New cards

what are 2 examples of strong oxidants?

CrO2²- & MnO4^-

11
New cards

what is the colour change of diCr ions in water?

orange

12
New cards

relating to colour change what happens to dichromate ions when oxidising alcohols?

when oxdising an alcohol, dichromate ions reduce to chromium ions (Cr³+) which cause the colour green

13
New cards

relating to colour change what happens to KMnO4 when oxidising alcohols? include the orginal colour of KMnO4

KMnO4 = deep purple

MnO4- reduces to Mn2+ ions which create a very pale pink (clear) colour

14
New cards

do primary alcohols produce faster than secondary alcohols?

yes