Question

Which nitrate will decompose to give `NO_(2)` on heating?
A. `NaNO_(3)`
B. `KNO_(3)`
C. `RbNO_(3)`
D. `LiNO_(3)`

Answer 1

Correct Answer - D
Only `LiNO_(3)` gives `NO_(2)` on heating. All other nitrates given oxygen. ,brgt `4LiNO_(3)overset(Delta)to 2Li_(2)O+4NO_(2)+O_(2)`
`2NaNO_(3)+ overset(Delta)to 2NaNO_(2)+O_(2)`