Home
Class 12
CHEMISTRY
In a reaction, all products and reactant...

In a reaction, all products and reactants are liquids, hence ______ .

A

`DeltaH gt DeltaU`

B

`DeltaH lt DeltaU`

C

`Delta H Delta U`

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
When all reactants and products lare liquid , `Delta`n =0
`therefore Delta H = Delta U`
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics & Energetics

    NIKITA PUBLICATION|Exercise QUESTION FROM COMPETITIVE EXAM|35 Videos

  • CHEMICAL KINETICS

    NIKITA PUBLICATION|Exercise MCQs|351 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    NIKITA PUBLICATION|Exercise MCQs|224 Videos

Similar Questions

Explore conceptually related problems

In a reaction, all reactant and products are liquid, then

For a reaction in which all reactants and products are liquids, which one of the following equtions is most applicable?

Conisder the following elementary reaction, 2A + B + C rarr Products. All reactants are present in the gaseous state and reactant C is taken in excess. What is the rate expresison of the reaction?

Conisder the following elementary reaction, 2A + B + C rarr Products. All reactants are present in the gaseous state and reactant C is taken in excess. What is the unit of rate constant of the reaction?

Conisder the following elementary reaction, 2A + B + C rarr Products. All reactants are present in the gaseous state and reactant C is taken in excess. How will the rate change if the concentration of A is doubled and that of B is tripled ?

In a chemical reaction under equilibrium , there is no change in moler conertration of products and reactants. Does the reaction stop?

If a reaction involves gaseous reactants and Products, the units of its rate are

For is reaction involving only liquid reactants & liquid products the relationship between DeltaH and DeltaE is

Assertion (A) : In a reaction A rarr Products, the concentratiton of the reactant is reduced to zero after a finite time Reason (R) : The order of reaction is zero.

Which of the following is true for a reaction in which all the reactant & product are liquids

NIKITA PUBLICATION-Chemical Thermodynamics & Energetics-QUESTION FROM COMPETITIVE EXAM
  1. In a reaction, all products and reactants are liquids, hence .

    Text Solution

    |

  2. For an endothermic reaction where DeltaH represent the enthalpy of rea...

    Text Solution

    |

  3. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

    Text Solution

    |

  4. Match List I (Equations) with List II (Type of processes) and select t...

    Text Solution

    |

  5. Three moles of an ideal gas expanded spontaneously into vacuum. The wo...

    Text Solution

    |

  6. For vaporization of water at 1 atmospheric pressure the values of Delt...

    Text Solution

    |

  7. The following two reactionas are known FeO(3)(s)+3CO(g)rarr2Fe(s)+CO...

    Text Solution

    |

  8. If the enthaply change for the transition of liquid water to steam is...

    Text Solution

    |

  9. Enthalpy change for the reaction, 4H((g))rarr 2H(2(g)) is -869.6 kJ ...

    Text Solution

    |

  10. Consider the following processes :- {:(,DeltaH(kJ//mol)),((1)/(2)A r...

    Text Solution

    |

  11. In view of the signs of Delta(r)G^(0) for the following reactions Pb...

    Text Solution

    |

  12. The value of enthalpy change (DeltaH) for the reaction C(2)H(5)OH (l...

    Text Solution

    |

  13. Consider the reaction, 4NO(2)(g)+O(2)(g)rarr2N(2)O(5)(g),Delta(r )H=...

    Text Solution

    |

  14. Match the transformation in colums I with appropriate options in colum...

    Text Solution

    |

  15. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |

  16. Which of the following is correct option for the free expansion of an ...

    Text Solution

    |

  17. The Gibbs energy for the decomposition of Al(2)O(3) at 500^(@)C is as...

    Text Solution

    |

  18. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |

  19. The incorrect expression among the following is

    Text Solution

    |

  20. In which of the following reactions,standard reaction entropy change(D...

    Text Solution

    |

  21. The enthalpy of fusion of water is 1.435 kcal//"mole". The molar entro...

    Text Solution

    |