1. Tardigrade
  2. Question
  3. Chemistry
  4. A obtained by Ostwald's method involving air oxidation of NH 3, upon further air oxidation produces B. B on hydration forms an oxoacid of Nitrogen along with evolution of A . The oxoacid also produces A and gives positive brown ring test. Identify A and B, respectively.

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Q. "$A$" obtained by Ostwald's method involving air oxidation of $NH _3$, upon further air oxidation produces "$B$". "$B$" on hydration forms an oxoacid of Nitrogen along with evolution of " $A$ ". The oxoacid also produces "$A$" and gives positive brown ring test. Identify $A$ and $B$, respectively.

JEE MainJEE Main 2023The p-Block Elements - Part2

Solution:

$4 NH _3+5 O _2 \xrightarrow{\Delta} \underset{(A)}{4 NO} +6 H _2 O$
$2 NO + O _2 \longrightarrow \underset{(B)}{2 NO _2}$