what is the structure of 3-formyl-4-oxo-bu†an oic acid.

Q. The IUPAC name of pyruvic acid $C{H}_3-CO-COOH$ is

Q. Write the structural formula for pentan-1-oic aicd.

Q. Draw the structural formula for each of the following:
$1.$ $2,3$- dimethyl butane
$2.$ Diethyl ether
$3.$ Propanoic acid.

Q. The IUPAC name of the following compound is: 4 - formyl - 2 - sulphobenzoic acid

Q. Which of the following oxo-acid is possible?