Home
Class 12
CHEMISTRY
The absolute enthalpy of neutralization ...

The absolute enthalpy of neutralization of the reaction,
`MgO(s)+2HCl(aq.)+H_(2)O(l)` will be

A

`57.33" kj mol"^(-1)`

B

`-57.33" kj mol"^(-1)`

C

Greater than `-57.33" kj mol"^(-1)`

D

Less than `=57.33" kj mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -1B|22 Videos
  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -2|100 Videos
  • THERMODYNAMICS

    ALLEN|Exercise Questions|46 Videos
  • TEST PAPERS

    ALLEN|Exercise CHEMISTRY|19 Videos
  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|39 Videos

Similar Questions

Explore conceptually related problems

Statement-I : The enthalpy of neutralization of the reaction between HCl and NaOH is -13.7 kCal/mol. If the enthalpy of neutralization of oxalic acid (H_(2)C_(2)O_(4)) by a strong base is -25.4 kCal/mol, then the enthalpy change (|Delta_(r)H|) of the process H_(2)C_(2)O_(4) rarr 2H^(+)+C_(2)O_(4)^(2-) is 11.7 kCal/mol. Statement-II : H_(2)C_(2)O_(4) is a weak acid.

What is the enthalpy of neutralization of HF against a strong base? Given : H^(+)(aq)+OH^(-)(aq)rarrH_(2)O(l),Delta_(r)H^(@)=-56kJ//mol Delta_(s)H^(@)(HF,aq)=-329kJ//mol,Delta_(s)H^(@)(H_(2)O,l)=-285kJ//mol Delta_(s)H^(@)(F^(-),aq)=-320 " kJ"//"mol"

In the reaction 2Al(s)+6HCl(aq)to6Cl^(-)(aq)+3H_2

Calculate the enthalpy of formation of KOH(s) from the following data : K(s) + H_(2)O(l) + (aq) to KOH(aq) + 1/2 H_(2)(g) Delta_(r)H^(@) = -200.8 kJ H_(2)(g) + 1/2 O_(2)(g) to H_(2)O(l) Delta_(r)H^(@) = - 286.3 kJ KOH(s) + (aq) to KOH(aq) Delta_(r)H^(@) = - 58.6 kJ

Calculate the enthalpy of the reaction SnO_(2)(s)+2H_(2)(g)toSn(s)+2H_(2)O(l) given that , bond enthalpies of formation of SnO_(2)(s) and H_(2)O(l) are -580.7 kJ and -285.8kJ respectively.

The enthalpy change of the reaction: CuSO_(4)(s) +5H_(2)O(l)rarr CuSO_(4).5H_(2)O(s) is known as the enthalpy of……………

ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. The absolute enthalpy of neutralization of the reaction, MgO(s)+2HCl...

    Text Solution

    |

  2. Which of the following pairs of a chemical reaction is certaion to res...

    Text Solution

    |

  3. Identify the correct statement for change of Gibbs energy for a system...

    Text Solution

    |

  4. Assume each reaction is carried out in an open container. For which ...

    Text Solution

    |

  5. The enthalpy and entropy change for the reaction, Br(2)(l)+Cl(2)(g)r...

    Text Solution

    |

  6. The enthalpy of hydrogenation of cyclohexene is -119.5kJ mol^(-1). If ...

    Text Solution

    |

  7. For the reaction of one mole of zinc dust with one mole of sulphuric a...

    Text Solution

    |

  8. When you make ice cubes, the entropy of water

    Text Solution

    |

  9. For a phase change: H(2)O(l)hArrH(2)O(s) 0^(@)C, 1 bar

    Text Solution

    |

  10. For a spontaneous process the correct statement is -

    Text Solution

    |

  11. The enthalpy change (Delta H) for the reaction N(2) (g)+3H(2)(g) rar...

    Text Solution

    |

  12. Consider the following reactions : (a) H((aq))^(+)+OH((aq))^(-)=H(2...

    Text Solution

    |

  13. Given the bond energies of H - H and Cl - Cl are 430 kJ mol^(-1) and 2...

    Text Solution

    |

  14. Bond dissociation enthalpy of H(2) , Cl(2) and HCl are 434, 242 and 43...

    Text Solution

    |

  15. For the gas phase reaction PCl(5)rarrPCl(3)(g)+Cl(2)(g) which of t...

    Text Solution

    |

  16. Which of the following are not state functions? (I) q+w (II)q (I...

    Text Solution

    |

  17. From the following bond energies: H--H bond energy: 431.37KJmol^(-1) ...

    Text Solution

    |

  18. The values of Delta H and Delta S for the reaction are 170 kJ and 17...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |