Identify A, B:

A = N H_{3}; B = N_{2};

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A = N O; B = H N O_{3}

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A = N_{2}; B = N H_{3}

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B = H N O_{3}; A = N O

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Solution

The correct option is C $A = N_{2}; B = N H_{3}$
A is nitrogen (the largest component of air), B is ammonia because when A as nitrogen heated with $H_{2}$ in 1:3 ratio in the presence of catalyst (Fe) gives a gas B or ammonia.
$N_{2} + 3 H_{2} \to 2 N H_{3}$ , C is nitrogen dioxide because on heating with $O_{2}$ , nitrogen and oxygen forms nitrogen oxide as it gives an oxide C that is nitrogen oxide. And if this oxide is passed into water in the presence of air it gives an acid D that is nitric acid which acts as a strong oxidising agent. Thus, D is nitric acid (a strong oxidizing agent). $3 N O_{2} + H_{2} O \to 2 H N O_{3} + N O$

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Similar questions

N H_{3}

N_{2}

L i + N_{2} Δ ⟶ A H_{2} O ⟶ B + (C)

^{'} A^{'}

^{'} B^{'}

C H_{3} - C H_{3} + H N O_{3} {423 - 600 K - ----- \to}^{'} A^{'} {S n / c o n c . H C l - ------- \to}^{'} B^{'} + H_{2} O

N H_{3} + O_{2} \to N O + H_{2} O

N O + O_{2} \to N O_{2}

N O_{2} + H_{2} O \to H N O_{3} + H N O_{2}

N H O_{2} \to H N O_{3} + N O + H_{2} O

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