Home
Class 12
CHEMISTRY
For a reaction XrarrY, heat of reaction ...

For a reaction `XrarrY`, heat of reaction is + a kJ, potential energy of reactant X is + b kJ and energy of activation is + c kJ. The energy of product Y in kJ is :

A

(a+b)

B

(b-a)

C

(b+c)

D

(b+c)-a

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Mechanism of Reactions|45 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise compllcatio in first order reactions|17 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise E. Methods to Monitor the Progress of Reaction|43 Videos

  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

An exothermic reaction XrarrY has an activation energy of 90kJ mol^(-1) of X and the heat of reaction is 250 kJ . Find the activation energy of the reaction YrarrX .

For a reaction ArarrB,E_a=10kJ//mol,DeltaH=5kJ//mol . Thus potential energy profile for this reaction is

For a reaction A rarr B, E_(a) = 10 kJ mol^(-1), DeltaH = 5 kJ mol^(-1) . Thus, potential energy profile for this reaction is:

In an exothermic reaction X rarr Y , the activation energy is 100 kJ mol^(-1) of X . The enthalphy of the reaction is -140 kJ mol^(-1) . The activation energy of the reverse reaction Y rarr X is

In an exothermic reaction A rarr B , the activation energy of the forward reaction is 200 kJ mol^(-1) . The enthalpy of the reaction is 280 kJ mol^(-1) . The activation energy of the reverse reaction B rarr A is

GRB PUBLICATION-CHEMICAL KINETICS-F. Effect of Temperature and Catalyst
  1. For a given reaction, energy of activation for forward reaction (E(af)...

    Text Solution

    |

  2. Which of the following statement is correct regarding enthalpy of reac...

    Text Solution

    |

  3. For a reaction XrarrY, heat of reaction is + a kJ, potential energy of...

    Text Solution

    |

  4. Consider the following reactions at 300 K. A rarr B (uncatalysed rea...

    Text Solution

    |

  5. If it known that out every 5 collisions, 1 has appropriate orientation...

    Text Solution

    |

  6. For a simple reaction A to B it is observed that % of activated molecu...

    Text Solution

    |

  7. Identify the statement which is correct from the following

    Text Solution

    |

  8. The rate of a catalysed reaction at 27^(@)C is e^(2) times the rate of...

    Text Solution

    |

  9. The desorption of gas molecules from the adsorbent surface obeys Arrhe...

    Text Solution

    |

  10. Temperature coefficient of a reaction at 300 K is 2. Neglected variati...

    Text Solution

    |

  11. Reaction -1:A to C " " k(1)=10^(10) e^(-500//T) Reactions -2: BtoD...

    Text Solution

    |

  12. The role of catalyst is to change:

    Text Solution

    |

  13. A first order reaction is catalysed by a catalyst which decreases acti...

    Text Solution

    |

  14. For two reactions: R-I and R-II the rate constants at 300 K and 320 K ...

    Text Solution

    |

  15. For a first order reaction rate is given by , R=K[Reactant] where K=a....

    Text Solution

    |

  16. The energies of activation forward and revers reaction for A(2)+B(2)to...

    Text Solution

    |

  17. For an elementary reaction the variation of rate constant (k) with tem...

    Text Solution

    |

  18. If it known that 1 out of every 4 collisions has appropriate orientati...

    Text Solution

    |

  19. In the respect of the equation k=Ae^(-E(a)//RT) is chemical kinetics, ...

    Text Solution

    |

  20. The variation of rate constant with temperature forllow sthe equations...

    Text Solution

    |