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JEE Mains · Chemistry · STD 11 - 6.1. Equilibrium - 1 (chemical Equilibrium)

\(320 \;K\) पर, एक गैस \(A _{2}\) का \(20 \%\), वियोजित होकर \(A ( g )\) बनता है। \(320 \;K\) तथा \(1\; atm\) पर \(J \;mol ^{-1}\) में मानक मुक्त ऊर्जा परिवर्तन लगभग होगी। \(\left( R =8.314\;J\;K ^{-1}\; mol ^{-1} ;\; \ln 2=0.693\right.\); \(\ln 3=1.098)\)

  1. A \(1844\)
  2. B \(2068\)
  3. C \(4281\)
  4. D \(4763\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(4281\)

Step-by-step Solution

Detailed explanation

In the reaction \({A_2} \leftrightarrow 2A\) Initially, Let \([{A_2}] = 1\,M\) and \([A] = 0\,M\) After \(20\%\) dissociation , \(80\%\) of \(A_2\) remains. \([{A_2}] = 1 \times \frac{{80}}{{100}} = 0.8\,M\) \(20\%\) of \(1\,M\) is…
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