Carboxyl Group

The Formula of methanoic acid is

• HCOOH

• CH3OCH3

• CH3COOH

• CHOOH

The functional group of carboxylic acid is

• carbonyl group

• carboxyl group

• hydroxyl group

• alkyl group

This compound will have a pH of

• 7

• 1

• 4

• 11

What is the test for the carbon to carbon double bond?

Answer explanation

It decolourises bromine solution.

The gas given off when ethanoic acid reacts with potassium carbonate is

• CO

• H2

• CO2

• O2

Which of these is the least soluble in water?

• methanoic acid

• ethanoic acid

• butanoic acid

• hexanoic caid

The boiling point of butanoic acid is higher than ethanoic acid because:-

• It's bigger

• The covalent bonds are stronger

• The intermolecular forces are stronger

The bonds inside the molecule are strong/weak and the bonds between the molecules are strong/weak?

this compound is:-

• butanoic acid

• pentanoic acid

• hexanoic acid

ethanoic acid reacting with sodiium hydroxide is

• neutralisation

• addition

• combustion

• electrolysis

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5