Pick out the wrong statement?

A. Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%

B. Decomposition of sulphuric acid on heating does not start before its boiling

C. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with

D. Vitriol oil is nothing but technical sulphuric acid

E. phur trioxide

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.