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L21 - Oxidation (and Reduction)

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Total cards: 13•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (13)

#1
Front (Question)

What is oxdiation?

Back (Answer)

• loss of e- • gain of O • loss of H

#2
Front (Question)

What is reduction?

Back (Answer)

• gain of e- • loss of O • gain of H

#3
Front (Question)

What is the order of increasing oxidation?

Back (Answer)

• methyl • alcohol • ketone • COOH • CO2

#4
Front (Question)

How are alcohols oxidised in the body?

Back (Answer)

By alcohol dehydrogenase - into aldehyde

#5
Front (Question)

How are aldehydes oxidised in the body?

Back (Answer)

By acetaldehyde dehydrogenase - into caboxylic acid

#6
Front (Question)

How are primary alcohols oxidised in the lab?

Back (Answer)

Using pyridinium chlorochromate (PCC, mild oxidant) and CH2Cl2 - into aldehyde

#7
Front (Question)

What happens to primary alcohold if oxidised with a strong oxidant, eg?

Back (Answer)

Oxidised into COOH - KMnO4 acid

#8
Front (Question)

How do you oxidise an aldehyde into a COOH?

Back (Answer)

Using strong oxidant

#9
Front (Question)

How do you oxidise a secondary alcohol in the lab?

Back (Answer)

Using mild or strong [O] - into ketone No further oxidation

#10
Front (Question)

How do you convert an alkene into a dihydroxycation?

Back (Answer)

OsO4 H2O2

#11
Front (Question)

How do you convert an alkene into an epoxide?

Back (Answer)

mCPBA

#12
Front (Question)

What reaction can alkenes go through?

Back (Answer)

Ozonolysis

#13
Front (Question)

Why do we not use 100% O2?

Back (Answer)

Becaise O2 can turn into readicals