Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Olympiad workbookNSECChemical Equilibrium

The equilibrium constant ( K _ c ) for trimerization of phenyl acetylene to triphenyl benzene is 3.0 at 310 K . If at equilibrium, 0.9 ~mol dm ⁻³ of triphenyl benzene is present, concentration of phenyl acetylene at equilibrium is:

Options

  1. A1 / 3 ~mol dm ⁻³
  2. B3.0 ~mol dm ⁻³
  3. C1.732 ~mol dm ⁻³
  4. D0.67 ~mol dm ⁻³

Correct answer

D. 0.67 ~mol dm ⁻³

Step-by-step solution

No Solution

Practice Chemical Equilibrium on Quantrex Academy →

More from Chemical Equilibrium

Solubility product of AgCl is 1.8 10⁻¹⁰ . The minimum volume (in L ) of water required to dissolve 1 mg of AgCl is close toThe equilibrium constants of the following isomerisation reaction at 400 K and 298 K are 2.07 and 3.42 respectively. cis-butene k _ -1 k ₁ trans-butene Which of the following is/arThe undissociated form of a weak organic acid HA can be extracted from the aqueous phase into an organic phase using a water-immiscible organic solvent according to the following sThe standard molar entropies of H ₂( ~g ), N ₂( ~g ) and NH ₃( ~g ) are 130,190 and 193 ~J ~mol ⁻¹ ~K ⁻¹ respectively. For the reaction 1 / 2 ~N ₂( ~g )+3 / 2 H ₂( ~g ) NH ₃( ~g ) The reaction xX ( g ) yY ( g )+ zZ ( g ) was carried out at a certain temperature with an initial pressure of X=30 bar. Initially ' Y ' and ' Z ' were not present. If the equilibriGiven below is the data for the reaction 2 NO ( g ) N ₂( ~g )+ O ₂( ~g ) where ' k _ f ' and ' k _ b ' are rate constants of the forward and reverse reactions respectively TemperatAcetic acid ( CH ₃ COOH ) is partially dimerised to ( CH ₃ COOH )₂ in the vapour phase. At a total pressure of 0.200 atm , acetic acid is 92.0 % dimerized at 298 K . The value of eThe qualitative plots given represent the yield of the product, [ XY ] , at equilibrium in the reaction X ( g )+ Y ( g ) XY ( g ) , as a function of temperature, at total pressures Full Chemical Equilibrium list All Olympiad workbook PYQs