JEE Mains · Chemistry · STD 11 - 6.1. Equilibrium - 1 (chemical Equilibrium)
\(2 NOCl ( g ) \rightleftharpoons 2 NO ( g )+ Cl _{2}( g )\) In an experiment, \(2.0\) \(moles\) of \(NOCl\) was placed in a one-litre flask and the concentration of NO after equilibrium established, was found to be \(0.4\) \(mol / L\). The equilibrium constant at \(30^{\circ} C\) is \(.......\times 10^{-4}\)
- A \(150\)
- B \(125\)
- C \(175\)
- D \(25\)
Answer & Solution
Correct Answer
(B) \(125\)
Step-by-step Solution
Detailed explanation
\(\,\quad\quad\quad\quad 2 NOCl ( g ) \rightleftharpoons 2 NO ( g )+ Cl _{2}( g )\) \(t =0 \quad\quad 2 M \quad\quad\quad\quad\quad -\quad\quad\quad\quad -\) \(t = t _{ eq }\quad(2- x ) M\quad\quad\quad\quad xM \quad\quad \frac{ x }{2} M\) \(\because x =0.4 \,M\)…
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