Alcohols, aldehydes and ketones

Which one(s) of given statements is/are correct?

• Aldehydes form hydrogen bonding.

• Ketones form hydrogen bonding.

• Aldehydes have lower boiling points when compared with corresponding alcohols.

Which one(s) of given statements is/are correct?

• Aldehydes form hydrogen bonding.

• Ketones form hydrogen bonding.

• Aldehydes have lower boiling points when compared with corresponding alcohols.

Which aldehyde is a gas at room temperature?

• acetaldehyde

• formaldehyde

• benzaldehyde

Which of the following alcohols can be oxidized to a ketone?

• 
• 
• 
• 

Which of the following compounds reduces Ag⁺ ions to metallic Ag in ammoniacal silver nitrate solution?

• aldehyde

• ketone

• alkene

• carboxylic acid

Which one(s) of given statements is/are correct?

• Aldehydes can be oxidized to carboxylic acids.

• Ketones can be oxidized to carboxylic acids.

• Aldehydes can be reduced to alcohols.

• Aldehydes can be reduced to ketones.

Which of the following substances produces 3-pentanol when reduced by H₂?

• dimethyl ketone

• diethyl ketone

• pentanal

• butanal

• methyl propyl ketone

Propanone is very soluble in water because

• it is non-polar
• it can form hydrogen bond with water molecule
• water is a polar solvent
• the dipole-dipole interactions are weak between propane and water

How could you prepare this compound?

• Reduce butanoic acid

• Oxidise propan-2-ol

• Oxidise propan-2-one

• Oxidise propan-1-ol

What organic compound would form if the following compound was oxidised with tollens reagent?

• Propan-2-ol

• Propanoic acid

• Propan-2-ol

• No reaction