Which compound is inorganic?

a. glucose (c6hl2o6)

b. carbon dioxide (co2)

c. ethane (c2h6)

d. stearic acid (cl8h36o2) ?

Answer is: b) carbon-dioxide (CO₂).

Glucose (C₆H₁₂O₆) or blood sugar is monosaccharide and organic chemical compound.

Ethane (C₂H₆) is alkane, alkanes are organic chemical compounds.

Stearic acid or octadecanoic acid (C₁₈H₃₆O₂) is saturated fatty acid, also organic chemical compound.