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3.8 Aldehydes and Ketones

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Total cards: 16•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (16)

#1
Front (Question)

General formula of aldehydes and ketones

Back (Answer)

CₙH₂ₙO

#2
Front (Question)

Functional group of aldehydes and ketones

Back (Answer)

C=O

#3
Front (Question)

Name of CH₃CH₂CHO

Back (Answer)

Propanal (aldehyde)

#4
Front (Question)

Name of CH₂COCH₃

Back (Answer)

Propanone (ketone)

#5
Front (Question)

Aldehydes are readily oxidised to…

Back (Answer)

Carboxylic acids

#6
Front (Question)

Reagents and conditions for oxidising aldehydes

Back (Answer)

• Reflux with acidified potassium dichromate • Warm with Tollens reagent • Warm with Fehling’s solution

#7
Front (Question)

What can both aldehydes and ketones be reduced to?

Back (Answer)

Alcohols

#8
Front (Question)

Mechanism for the reduction of aldehydes and ketones to alcohols

Back (Answer)

Nucleophilic addition

#9
Front (Question)

Conditions for the reduction of aldehydes and ketones to alcohols

Back (Answer)

Aqueous

#10
Front (Question)

How can a reducing agent be represented?

Back (Answer)

[H]

#11
Front (Question)

Reagent for reduction of aldehydes and ketones to alcohols

Back (Answer)

NaBH₄ (aq) - source of hydride ions (:H⁻)

#12
Front (Question)

Mechanism for the addition of HCN to aldehydes and ketones

Back (Answer)

Nucleophilic addition

#13
Front (Question)

What is formed when HCN is added to aldehydes and ketones?

Back (Answer)

Hydroxynitriles

#14
Front (Question)

Reagents for the addition of HCN to aldehydes and ketones?

Back (Answer)

KCN followed by dilute acid

#15
Front (Question)

Why is KCN used as a nucleophile instead of HCN?

Back (Answer)

• HCN is a toxic gas, solid KCN is easier to work with • HCN is a weak acid (equilibrium sits to the left)

#16
Front (Question)

Back (Answer)