What is difference between concentration and fuming sulphuric acid(h2so4)?
Concentrated Sulphuric Acid has its molecular formula (H2SO4) and Fuming Sulphuric Acid or Oleum has its molecular formula (H2SO4.SO3).
Why is H2SO4 syrupy viscous?
H2SO4 is syrupy viscous because of nature of bond between its molecules. The H2SO4 molecules have extensive hydrogen bonding which gives it the syrupy viscous nature.