ExamBro
ExamBro
AP EAMCET · Chemistry · Chemical Equilibrium

For ammonia formation from constituent elements, the expression for \(\mathrm{K}_{\mathrm{C}}\) is

  1. A \(\mathrm{K}_{\mathrm{C}}=\frac{\left[\mathrm{NH}_3\right]^3}{\left[\mathrm{~N}_2\right]^3\left[\mathrm{H}_2\right]^3}\)
  2. B \(\mathrm{K}_{\mathrm{C}}=\frac{\left[\mathrm{NH}_3\right]^2}{\left[\mathrm{~N}_2\right]\left[\mathrm{H}_2\right]^3}\)
  3. C \(\mathrm{K}_{\mathrm{C}}=\frac{\left[\mathrm{NH}_3\right]}{\left[\mathrm{N}_2\right]\left[\mathrm{H}_2\right]}\)
  4. D \(\mathrm{K}_{\mathrm{C}}=\left[\mathrm{NH}_3\right]^2\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\mathrm{K}_{\mathrm{C}}=\frac{\left[\mathrm{NH}_3\right]^2}{\left[\mathrm{~N}_2\right]\left[\mathrm{H}_2\right]^3}\)

Step-by-step Solution

Detailed explanation

\(\mathrm{N}_2+3 \mathrm{H}_2 \rightarrow 2 \mathrm{NH}_3 ; \mathrm{K}_{\mathrm{c}}=\frac{\left[\mathrm{NH}_3\right]^2}{\left[\mathrm{~N}_2\right]\left[\mathrm{H}_2\right]^3}\)