H2SO4 and HNO3 are known as acids but C2H4 is not known as acid even though both have Hydrogen atoms.
Choose correct option regarding C2H4.
C2H4 is aLewis base
Acids are defined as those substances that release ionizable hydrogen atoms or hydrogen ions in water. H2SO4 and HNO3 are acids since they obey above rule but C2H4 is not an acid, as it does not release ionizable hydrogen ions in water.