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:Which of the following when heated strongly in air…Copper metal will react with concentrated…Which of the following compounds will leave a metal…The formula of the compound formed between a…If the concentration in mol/dm³ of potassium…