Chemistry 1B PASS W9

What functional group is present in carbonyl compounds?

• C=C

• C-H

• C=O

• C-N

What type of hybridisation do both C and O have in carbonyl compounds?

• sp

• sp2

• sp3

• sp3d

Where must the aldehyde group occur in a molecule?

• In the middle

• At one of the ends

• Attached to a methyl group

• Attached to a hydroxyl group

What is the reason for the water solubility of low molecular mass aldehydes and ketones?

• Ionic bonding

• Covalent bonding

• Hydrogen bonding

• Metallic bonding

What is the most common method for preparing ketones?

• Reduction of alcohols

• Oxidation of alcohols

• Hydrolysis of alcohols

• Dehydration of alcohols

What do primary alcohols yield upon oxidation?

• Ketones

• Aldehydes and carboxylic acids

• Esters

• Ethers

What type of charge does the carbonyl carbon have that makes it susceptible to nucleophilic attack?

• Neutral

• Partial positive

• Partial negative

• Full positive

Which reaction is an example of a nucleophilic attack on a carbonyl carbon?

• Friedel-Crafts

• Grignard

• Diels-Alder

• Cannizzaro

What is the product formed when an acid chloride reacts with water?

• ester

• carboxylic acid

• amide

• acid anhydride

Why are carboxylic acids considered weak acids?

• The completely dissociate in water

• They do not dissociate in water

• They partially dissociate in water

• They are strong bases