1.

1 mole each of H_(2)(g) "and" I_(2)(g) are introduced in a 1L evacuated vessel at 523K and equilibriumH_(2)(g)+I_(2)(g)hArr2Hi(g) is established. The concentration of HI(g) at equilibrium:

Answer» <html><body><p>Changes on changing <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a>.<br/>Changes on changing temperature.<br/>Changes on changing volume of the vessel<br/>Is same even if only `2` mol of `HI(g)` were introduced in the vessel in the beginning. <br/> Is same even when a platinum gauze is introduced to catalyst the reaction.</p>Solution :`H_(2)(g)+I_(2)(g)hArr2HI(g)` <br/> (A) For changing pressure volume has to be changed, <a href="https://interviewquestions.tuteehub.com/tag/though-2306877" style="font-weight:bold;" target="_blank" title="Click to know more about THOUGH">THOUGH</a> <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of moles of `HI(g)` do not get changed but its concentration will get changed. <br/> (B) Temperature change will change `K_(P)` and hence concentration. <br/> (C) Volume change will change concentration, not the number of moles. <br/> (D) Same equilibrium will be attained from <a href="https://interviewquestions.tuteehub.com/tag/either-7265046" style="font-weight:bold;" target="_blank" title="Click to know more about EITHER">EITHER</a> direction. <br/> Catalyst does not change equilibrium concentration.</body></html>


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