When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is? by Sunday | Aug 23 | Chemistry WAEC | 0 comments A. Y2O B. YNO2 C. Y2O3 D. Y (NO2)2 E. YO2 Correct Answer: Option B – YNO2 Users Also Read These:The gas given off when NH4Cl is heated with an alkali is?Which of the following when heated strongly in air…Which of the following trioxonitrate(V) salts would…A metal sheet of area 100cm² was heated through…The gas given off when NH4Cl is heated with an alkali is?