MDCAT Chemistry MCQ #5383

MDCAT Chemistry MCQ #5383

1. Question 1

   Q1. A scientist heats Lithium nitrate and Potassium nitrate in separate crucibles. What is the key difference in the products formed?

   • A) Lithium nitrate produces Nitrogen dioxide gas
   • B) Potassium nitrate produces Nitrogen dioxide gas
   • C) Both produce the metal oxide and NO2
   • D) Both produce the metal nitrite and O2

   Answer: Lithium nitrate produces Nitrogen dioxide gas

   Explanation: Lithium nitrate decomposes to Li2O, NO2, and O2, while Potassium nitrate only decomposes to KNO2 and O2.