<Tr> <Th> Carboxylic acid </Th> <Th> pK </Th> </Tr> <Tr> <Td> Formic acid (HCOOH) </Td> <Td> 3.75 </Td> </Tr> <Tr> <Td> Acetic acid (CH CO H) </Td> <Td> 4.76 </Td> </Tr> <Tr> <Td> Chloroacetic acid (CH ClCO H) </Td> <Td> 2.86 </Td> </Tr>

What are the physical properties of carboxylic acid