Home
Class 11
CHEMISTRY
The enthalpies of HCl, NaOH ,NaCl and H(...

The enthalpies of HCl, NaOH ,NaCl and `H_(2)O` are `-120, -82, -148 and -68` kCals. Respectively. `Delta H` of the following reaction is `HCl + NaOH rarr NaCl + H_(2)O`

A

`-28.7 K.Cals`

B

`-18 K.Cals`

C

`-57.3 K.Cals`

D

`-14 K.Cals`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (ENTROPY AND GIBBS ENERGY)|15 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|50 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (HEAT OF NEUTRILIZATION)|12 Videos

  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos

  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

Balance the following equations. 3) Mg(OH)_(2)+HCl rarr MgCl_(2)+H_(2)O

Balance the following equations. 2) H_(2)O_(2)rarr H_(2)O+O_(2)

Balance the follwowing equations. 5) NaOH +H_(2)SO_(4) rarr Na_(2)SO_(4)+H_(2)O

The bond dissociation energies of gaseous H_(2), Cl_(2) and HCl are 104, 58 and 103 kCal/mole respectively. Calculate the heat of formation of HCl

The enthalpy of solution of BaCl_(2)(s) and BaCl_(2).2H_(2)O(s) " are " -20.6 and 8.8 KJ mol^(-1) , respectively, The enthalpy change for the reaction BaCl_(2(s)) + 2H_(2)O rarr BaCl_(2), 2H_(2)O_((s)) is:

Balance the following equation by oxidation number method. NaOH + Cl_(2) rarr NaCl + NaClO_(3) + H_(2)O

Balance the following chemical equations. a) NaOH+H_(2)SO_(4)rarr Na_(2)SO_(4)+H_(2)O

Identify A and B in the following chemical reactions. PCl_(5)+H_(2)O to A+HCl A+H_(2)O to B+HCl

AAKASH SERIES-CHEMICAL THERMODYNAMICS-OBJECTIVE EXERCISE - 2 (HESS LAW)
  1. If S + O(2) rarr SO(2), DeltaH= -398.2kJ SO(2) + (1)/(2) O(2) rarr S...

    Text Solution

    |

  2. Given that S((s)) + 3/2 O(2(g)) rarr SO(3(g)) + 2xK.cal SO(2(g)) +...

    Text Solution

    |

  3. Given C((s)) + O(2(g)) rarr CO(2(g)), Delta H = -395 kJ , S((g)) + O(2...

    Text Solution

    |

  4. 1)C("Graphite") + O(2(g)) rarr CO(2(g)) , DeltaH = -94 K.Cals 2) C("...

    Text Solution

    |

  5. DeltaH of combustion of yellow P and red P are - 11 K.J and -9.78 KJ r...

    Text Solution

    |

  6. How much energy is released when 6 mole of octane is burnt in air? Giv...

    Text Solution

    |

  7. Given C+ 2S rarr CS(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O(2) rar...

    Text Solution

    |

  8. The standard heat of formation of sodium ions in aqueous solution from...

    Text Solution

    |

  9. The lattice energy of solid NaCl is 180K. Call per mol. The dissolutio...

    Text Solution

    |

  10. Heat of formation of CO and CO2 are -26.4, -94.0 kcal/mole respectivel...

    Text Solution

    |

  11. Cl((g)) + e^(-) rarr Cl((g))^(-) , EA = -348 kJ//"mole" at 0 K. then D...

    Text Solution

    |

  12. For the reaction: 2H(2(g)) + O(2(g)) rarr 2H2O((g)) , DeltaH = -571 ...

    Text Solution

    |

  13. If values of DeltaHf^@ of ICl((g)), Cl((g)) and I((g)) are respective...

    Text Solution

    |

  14. The enthalpy changes for the following processes are listed below:  ...

    Text Solution

    |

  15. The enthalpies of HCl, NaOH ,NaCl and H(2)O are -120, -82, -148 and -6...

    Text Solution

    |

  16. DeltaH^(0) for a reaction F(2) + 2HCl rarr 2HF + Cl(2) is given as -35...

    Text Solution

    |

  17. What is theheat of formation of C(6)H(6), given that the heats of comb...

    Text Solution

    |

  18. The heats of combustion of carbon hydrogen and acetylene are -394kJ, -...

    Text Solution

    |

  19. The enthalpies of combustion of carbon and carbon monoxide are -390 KJ...

    Text Solution

    |

  20. Calculate the heat of formation of KOH from the following data K((s)...

    Text Solution

    |