Q. Dinitrogen pentoxide a colourless solid is prepared by

A) Heating NH_{4}NO_{2} with an excess of oxygen
B) Dehydrating $HNO_{3}$ with CaO
C) Dehydrating $HNO_{3}$ withP_{4}O_{10}
D) Heating a mixture of HNO_{2} and Ca(NO_{3})_{2}
Explanation

(c)
4 HNO_{2}­+ P_{4}O_{10}⟶2N_{2}O_{5}+4HPO_{3}

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.