

MCQOPTIONS
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1. |
When concentrated \[{{H}_{2}}S{{O}_{4}}\] is added to dry \[KN{{O}_{3}}\], brown fumes evolve. These fumes are [CPMT 1988; IIT 1987] |
A. | \[S{{O}_{2}}\] |
B. | \[S{{O}_{3}}\] |
C. | \[NO\] |
D. | \[N{{O}_{2}}\] |
Answer» E. | |