MCQ
निम्नलिखित में कौन समीकरण संतुलित है?
  • A
    $\mathrm{Fe}+\mathrm{Cl}_{2} \rightarrow \mathrm{FeCl}_{3}$
  • $\mathrm{NH}_{4} \mathrm{NO}_{2} \rightarrow \mathrm{N}_{2}+2 \mathrm{H}_{2} \mathrm{O}$
  • C
    $\mathrm{Fe}+\mathrm{O}_{2} \rightarrow \mathrm{Fe}_{2} \mathrm{O}_{3}$
  • D
    $\mathrm{KBr}+\mathrm{Cl}_{2} \rightarrow \mathrm{KCl}+\mathrm{Br}_{2}$

Answer

Correct option: B.
$\mathrm{NH}_{4} \mathrm{NO}_{2} \rightarrow \mathrm{N}_{2}+2 \mathrm{H}_{2} \mathrm{O}$
b

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