igcse carboxylic acids

What is this compounds name: CH3CH2CH2COOH

• PROPANOIC ACID

• PROPANOL

• BUTANOIC ACID

• BUTANE

FUNCTIONAL GROUP IS

• OH

• C=C

• COOH

• COOC

CARBOXYLIC ACIDS ARE:

• STRONG BASES

• WEAK BASES

• STRONG ACIDS

• WEAK ACIDS

WEAK ACIDS ARE:

• FULLY IONISED IN WATER

• REVERSIBLY, PARTIALLY IONISED IN WATER

• FORM HYDROXIDES IN WATER

• FORM CO2 IN WATER

REACT WITH A METAL TO FORM:

• SALT AND HYDROGEN

• CO2 AND SALT AND HYDROGEN

• SALT AND WATER

• HYDROGEN AND WATER

CAN BE MADE BY:

• REDUCTION BY FERMENTATION

• HYDRATION WITH potassium manganate (VII)

• OXIDATION WITH potassium manganate (VII)

• CRACKING ALKANES

METHANOL AND ETHANOIC ACID WOULD PRODUCE WHICH ESTER?

• BUTYL PROPANOATE

• ETHYL METHANOATE

• METHYL PROPANOATE

• METHYL ETHANOATE

ALCOHOL AND ACIDS REACT TO GIVE:

• ETHER AND WATER

• ESTER AND WATER

• ALKANE AND CO2

• SALT AND H2

CH3CH2CH2-COO-CH2CH3 IS:

• PROPYL METHANOATE

• ETHYL BUTANOATE

• BUTYL ETHANOATE

• ETHYL PROPANOATE

ARE SHORT CHAIN OR LONG CHAIN CARBOXYLIC ACIDS MORE WATER SOLUBLE AND WHY?

• SHORT CHAIN AS THEY HAVE A HIGHER CHANCE OF MAKING HYDROGEN BONDS (MORE POLAR)

• SHORT CHAIN AS THEY HAVE COVALENT BONDS

• LONG CHAIN AS THEY HAVE LESS INTERMOLECULAR FORCES

• LONG CHAIN AS THEY HAVE A HIGHER CHANCE OF MAKING HYDROGEN BONDS (MORE POLAR)