Question

Which of the following acids exist as ions, molecules, or both-
(i)HCl
(ii)H2CO3
(iii)oxalic acid
(iv)vineger
(v)nitrous acid
(vi)phosphoric acid

Answer 1

Answer:HCl , HNO disassociate into ions  

In case of H3PO4 ,  H2CO3 few molecules disassociate into ions whereas few remain the same way.  

Oxalic acid,  Vinegar will remain  in their molecular form .