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The equilibrium concentration of C(2)H(4...

The equilibrium concentration of `C_(2)H_(4)` in the following gas phase reaction can be increased by
`C_(2)H_(4)(g) + H_(2)(g) hArr C_(2)H_(6)(g), DeltaH = -32.7kcal`

A

Removal of `C_(2)H_(6)`

B

Addition of `H_(2)`

C

Increase in temperature

D

Increase in pressure

Text Solution

Verified by Experts

The correct Answer is:
C
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The equilibrium concentration of C_(2)H_(4) in the gas phase reaction C_(2)H_(4)+H_(2)hArr C_(2)H_(6), DeltaH=-32.7 kcal/mole, can be increased by I. Removal of C_(2)H_(6) II. Removal of H_(2) III. Increasing temperature IV. Increasing pressure The correct choice is :

K_(p)=0.04 atm at 899 K for the equilibrium shown below. What is the equilibrium concentration of C_(2)H_(6) when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium? C_(2)H_(6)(g) hArr C_(2)H_(4)(g)+H_(2)(g)

Compounds with carbon-carbon double bond, such as ethylene, C_(2)H_(4) , add hydrogen in a reaction called hydrogenation. C_(2)H_(4)(g)+H_(2)(g) rarr C_(2)H_(6)(g) Calculate enthalpy change for the reaction, using the following combustion data C_(2)H_(4)(g) + 3O_(2)(g) rarr 2CO_(2)(g) + 2H_(2)O(g) , Delta_("comb")H^(Θ) = -1401 kJ mol^(-1) C_(2)H_(6)(g) + 7//2O_(2)(g)rarr 2CO_(2) (g) + 3H_(2)O(l) , Delta_("comb")H^(Θ) = -1550kJ H_(2)(g) + 1//2O_(2)(g) rarr H_(2)O(l) , Delta_("comb")H^(Θ) = -286.0 kJ mol^(-1)

Calorific value of ethane, in k J/g if for the reaction 2C_(2)H_(6) + 7O_(2) rightarrow 4CO_(2) + 6 H_(2)O, Delta H = -745.6 kcal

NARAYNA-CHEMICAL EQUILIBRIUM-Exercise -I (C.W.)
  1. The active mass of 64g of HI In a 2Lit flask would be

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  2. AB(3)(g) is dissociation as AB(2)(g) hArr AB(2)(g)+(1)/(2)B(2)(g), W...

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  3. In which one of the following gaseous equilibrium, K(p) is less than K...

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  4. In the reaction H(2(g)) +l(2(g)) Leftrightarrow 2HI((g))

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  5. The equilibrium of the reaction N(2)(g)+3H(2)(g) hArr 2NH(3)(g) will b...

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  6. Consider the following equilibrium PCl(5(g)) Leftrightarrow PCl(3(g))+...

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  7. One mole of A (g) is heated to 200^@ C in a one litre closed flask, ti...

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  8. Consider the following reaction equilibrium N(2)(g) + 3H(2)(g) hArr...

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  9. NH(4)HS(s)hArrNH(3)(g)+H(2)S(g) The3 equilibrium pressure at 25^(@)C ...

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  10. One mole of A and 2 moles of B are allowed to react in a 0.5 lit flask...

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  11. K(p)//K(c) for the reaction CO(g)+1/2 O(2)(g) hArr CO(2)(g) is

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  12. K(1) and K(2) are equilibrium constants for reaction (i) and (ii) N(...

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  13. For the reaction N(2)O(4)(g)hArr2NO(2)(g), the degree of dissociation ...

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  14. N(2)(g) + 3H(2)(g) rarr 2NH(3)(g) + heat.What is the effect of the inc...

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  15. Inert gas has been added to the following equilibrium system at consta...

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  16. For a hypothetical reaction of kind AB(2)(g)+1/2 B(2)(g) hArr AB(3)(...

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  17. The equilibrium concentration of C(2)H(4) in the following gas phase r...

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  18. Assertion (A) : The value of K increases with increase in temperature ...

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  19. H(2)O(2) is obtained by which of the following

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  20. In the melting of ice, which one of the conditions will be more favour...

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