Answer:
Sodium chloride.
Step-by-step explanation:
The organic compounds are compounds of carbon. They may have some other atoms like hydrogen, oxygen, sulfur, nitrogen, halogens etc. However the skeleton is of carbon only.
The simplest organic compound is methane (which is a hydrocarbon).
Sucrose is a disaccharide of glucose and fructose. It is an organic compound.
Urea is NH₂CONH₂, again an organic compound.
While Sodium chloride is NaCl, which has no carbon and it is an ionic inorganic compound.