Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > alcohols reactions > Flashcards

alcohols reactions Flashcards

1
Q

reaction of alcohol with phosphorus iodide

A

substitution
red phosphorus and iodine
heat under reflux/ethanol solvent

alcohol + PI3 —> iodoalkane + H3PO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

reaction chlorination of alcohols

A

substitution
PCl5 or conc HCL
room temperature

alcohol + PCl5 —> chloroalkane + POCl3 + HCL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

combustion of alcohols

A

combustion
oxygen

alcohol + O2 —> H2O + CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

reaction of alcohols to alkenes

A

elimination
conc H2SO4 or H3PO4
heat

alcohol —-> alkene + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

bromination of alcohols

A

substitution
KBr + conc H2SO4
heat under reflux

alcohol + HBr —> bromoalkane + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

iodination of alcohols

A

substitution
P and I2
heat

alcohol + PI3 —> iodoalkane + H3PO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

oxidation of alcohol to aldehyde

A

oxidation
K2Cr2O7 + H2SO4
distil immediately

1° alcohol + [O] —> aldehyde

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

oxidation of alcohol to carboxylic acid

A

oxidation
K2Cr2O7 + H2SO4
heat under reflux

1° alcohol —> aldehyde —> carboxylic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

test for the OH group

A

add PCl5 to alcohol - produces steamy fumes
collect fumes and bubble through AgNO solution - produces a white ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are 2° alcohols oxidised to

A

keytones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

which alcohols are oxidised with K2Cr2O7 and H2SO4

A

1° and 2°

not 3°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

colour change when 1° and 2° alcohols are oxidised

A

orange solution —> green solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

oxidation of 2° alcohol to keytone

A

k2cr2o7
dilute h2so4
heat under reflux

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Chemistry (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions