Question

$98$% solution of $HN{O}_3$ in water is generally referred as:

• A. red fuming nitric acid
• B. white fuming nitric acid
• C. green fuming nitric acid
• D. Both A and B

Answer 1

The correct option is B white fuming nitric acid

White fuming nitric acid(WFNA) is a storable liquid oxidiser used with kerosene and hydrazine rocket fuel.It consists of nearly pure nitric acid($HN{O}_3$). WFNA is commonly specified as containing no more than 2% water and less than 0.5% dissolved nitrogen dioxide or dinitrogen tetraoxide.