Q646
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to
A.
SO3
B.
SO2
C.
NO2
AnswerD.
N2O
Answer: Option C
Solution
Answer: Option C
Solution:
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2.