Which statement about CH3CH2CH(CH3)COOH\text{CH}_3\text{CH}_2\text{CH(CH}_3\text{)COOH}CH3CH2CH(CH3)COOH is correct?
It has the IUPAC name 3-methylbutanoic acid.
In aqueous solution it reacts with sodium hydrogencarbonate to produce hydrogen gas.
It contains a chiral carbon and exhibits optical isomerism.
It is an isomer of ethyl propanoate and cannot form intermolecular hydrogen bonds.
