Home
Class 12
CHEMISTRY
The heat evolved in the combustion of be...

The heat evolved in the combustion of benzene is given by
`C_(6)H_(6)(l) + 7 (1/2)O_(2)(g) to 3H_(2)O(l) + 6CO_(2)(g), DeltaH = -781.0 kcal//"mol"^(-1)`
When 156 g of `C_(6)H_(6)` is burnt in an open container, the amount of heat energy released will be

A

150.2 kcal `"mol"^(-1)`

B

1562.0 kcal `"mol"^(-1)`

C

`6528.2 kJ"mol"^(-1)`

D

`2448.5 kJ "mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) COMPREHENSION -I|4 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) COMPREHENSION -II|5 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I (REASONING TYPE QUESTIONS)|2 Videos

  • TEST PAPERS

    FIITJEE|Exercise CHEMISTRY|747 Videos

  • TRANSITION ELEMENTS & COORDINATION COMPOUNDS

    FIITJEE|Exercise MATCHIG LIST TYPE QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

The heat evolved in the combustion of benzene is given by C_(6)H_(6) (l) +7(1)/(2)O_(2)(g)rarr 3H_(2)O(l)+6CO_(2)(g), DeltaH =- 781.0 kcal mol^(-1) When 156g of C_(6)H_(6) is burnt in a open container, the amount of heat enegry released will be

The heat evolved in the combustion of benzene is given by the equation: C_(6)H_(6)(g) + (15)/(2) O_(2)(g) to 6CO_(2)(g) + 3H_(2)O(l), DeltaH = - 3264.6 kJ "mol"^(-1) The heat energy changes when 39 g of C_(6)H_(6) are burnt im an open ontainer will be:

The heat evolved in the combustion of benzene is given by the equation C_(6)H_(6)(l)+7(1)/(2)O_(2)(g)to 6CO_(2)(g)+3H_(2)O(l) , Delta H =- 781 Kcal mol^(-1) Which of the following quantities of heat will be evolved when 39 g of benzene is burnt in an open container

The heat evolved in combustion of benzene is given by the following equation : C_(6)H_(6)+15//2O_(2)to3H_(2)O+6CO_(2) : DeltaH=-3264.6 kJ Which of the following quantities of heat will be evolved when 39g of benzene are burnt in an open container ?

For the reaction C_(6)H_(12)(l)+9O_(2)(g)to6H_(2)O(l)+6CO_(2)(g) , DeltaH=-936.9kcal Which of the following is true ?

The heat envoled in the combustion of glucose is given by the equation C_(6)H_(12)O_(6(s))+6O_(2(g))rarr6CO_(2(g))+6H_(2)O_((g)) DeltaH=-680K.cal, The weight of CO_(2(g)) produced when 170 Kcal of heat is envolved in the combusation of glucose is

FIITJEE-THERMODYNAMICS AND THERMOCHEMISTRY -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II
  1. Which of the following conditions will apply to the conversion of ice ...

    Text Solution

    |

  2. The following is (are) endothermic reaction (s)

    Text Solution

    |

  3. For the adiabatic expansion of an ideal gas

    Text Solution

    |

  4. In which of the following entropy increases?

    Text Solution

    |

  5. Indicate in which case/cases the spontaneity of a change is favoured w...

    Text Solution

    |

  6. Endothermic reactions, having DeltaS = +ve masy be spontaneous if

    Text Solution

    |

  7. For gaseous reactions, if DeltaH is the change in enthalpy and DeltaU ...

    Text Solution

    |

  8. Which of the following statements is/are incorrect?

    Text Solution

    |

  9. The open system (s) is (are) which :

    Text Solution

    |

  10. In a reaction DeltaH and DeltaS both are more than zero. In which of t...

    Text Solution

    |

  11. If W is work doone by the system (-ve), the mathematical representatio...

    Text Solution

    |

  12. In which reaction(s), DeltaS in negative?

    Text Solution

    |

  13. The heat evolved in the combustion of benzene is given by C(6)H(6)(l...

    Text Solution

    |

  14. The heat of neutralization of a strong acid by a strong base is a cons...

    Text Solution

    |

  15. The enthalpy of formation of UF(g) is 22 kcal "mol"^(-1) and that U(g)...

    Text Solution

    |

  16. When a liquid solidifies, generally there is

    Text Solution

    |

  17. Which of the following statement(s) is/are correct?

    Text Solution

    |

  18. Methanol can be synthesised in the gas phase from methane and steam as...

    Text Solution

    |

  19. Methanol can be synthesised in the gas phase from methane and steam as...

    Text Solution

    |

  20. Methanol can be synthesised in the gas phase from methane and steam as...

    Text Solution

    |