Home
Class 12
CHEMISTRY
The heats of neutralisation of four acid...

The heats of neutralisation of four acids A, B, C, D are -13.7, -9.4, -11.2 and -12.4 kcal respectively when they are neutralised by a common base. The acidic character obeys the order:

A

AgtBgtCgtD

B

AgtDgtCgtB

C

DgtCgtBgtA

D

DgtBgtCgtA

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

  • TRANSITION METALS (d-BLOCK ELEMENTS)

    MBD PUBLICATION|Exercise QUESTION BANK|1320 Videos

Similar Questions

Explore conceptually related problems

The heat of combustion for C ,H_2 and CH_4 are-349.0, -241.8 and -906.7 kJ respectively.The heat of formation CH_4 is:

The heat of formation of CO(g) and CO_2(g) are -26.4 kcal and -94.0 kcal respectively. Heat of combustion of carbon monoxide will be:

Standard heat of formation of CH_4(g), CO_2(g) and water at 25^@C are -17.9, -94.1 K and -68.3 kcal mol^-1 respectively. Calculate the heat change (in kcal) in the following reaction at 25^@C: CH_4(g)+2O_2(g)=CO_2(g)+2H_2O(g)

The dissociation constants of two acid HA_1 and HA_2 are 2.9xx10^(-4) and 1.8xx10^(-5) respectively The relative strengths of the acid will be :

The molar conductance at infinite dilution for sodium acetate ,hydrochloric acid and sodium chloride are 91.0,425.9 and 126.4 S cm^(2) mol^(-1) respectively at 298 k calculate the molar conductance of acetic acid at infinite dilution.

PtCl_(4)andNH_(3) may form five complexes, A (PtCl_(4)*6NH_(3)),B(PtCl_(4)*5NH_(3)),C(PtCl_(4)*4NH_(3)),D(PtCl_(4)*3NH_(3))andE(PtCl_(4)*2NH_(3)) . One mole of each A, B, C, D and E reacts with excess of AgNO_(3) to yield 4, 3, 2 and 1 mole(s) of AgCl respectively, while E gives, no AgCl. The conductance of their solutions are in the order AgtBgtCgtDgtE . On the basis of Werner's theory, write their strucutre and give the total number of ions given by one complex.

For a reaction 2A + B ⇌ C + D , the partial pressure of A, B, C and D at equiliberium are 0.5, 0.8 0.7 and 1.2 atmosphere respectively. The value of k_p for this reaction is :

Find the value of k for which A (1,0,3), B (-1,2,4), C(1,2,1) and D(k,2,5) are coplaner.

Compound A was prepared by the oxidation of compound B with alkaline KMnO_(4) . Compound A on reduction with lithium aluminium hydride gets converted back to compound B. When compound A is heated with compound B in the presence of H_(2)SO_(4) , it produces fruity smell of compound C. To which family, the compounds A, B and C belongs to?

MBD PUBLICATION-THERMODYNAMICS-Question Bank
  1. The amount of heat evolved when one mole of H2SO4 reacts with two mole...

    Text Solution

    |

  2. If CH3COOH+OH^-=CH3COO^-+H2O+q1 and H^+ OH^-=H2O+q2 then the enthalpy ...

    Text Solution

    |

  3. The heats of neutralisation of four acids A, B, C, D are -13.7, -9.4, ...

    Text Solution

    |

  4. In a chemical reaction if all reactants and products are in liquid sta...

    Text Solution

    |

  5. Standard molar enthalpy of formation of CO2 is equal to:

    Text Solution

    |

  6. Which is correct about the heat of combustion:

    Text Solution

    |

  7. If C(s)+O2(g)rarrCO2(g), triangleH=X and CO(g)+1/2O2(g)rarrCO2(g), tri...

    Text Solution

    |

  8. triangleH for the reaction given below represents:CO2(g)+H2(g)rarrCO(g...

    Text Solution

    |

  9. Molar heat capacity of a gas at constant temperature and pressure is:

    Text Solution

    |

  10. If 50 calorie are added to a system and system does work of 30 calorie...

    Text Solution

    |

  11. If S^@ for H2, Cl2 and HCl are 0.13, 0.22 and 0.19 kJ K^-1 mol^-1 resp...

    Text Solution

    |

  12. The enthalpy and entropy change for a chemical reaction are -2.5x 10^3...

    Text Solution

    |

  13. One mole of an ideal at 300 K is expanded isothermaly from an initial ...

    Text Solution

    |

  14. Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is ...

    Text Solution

    |

  15. Give the bond energies of N equiv N, H-H and N-H bonds as 945, 436 and...

    Text Solution

    |

  16. If heat of formation of C Cl4 is 316 kcal mol^-1 the dissociation ene...

    Text Solution

    |

  17. For the reaction, C2H4(g)+3O2(g)rarr2CO2(g)+2H2O(l), triangleU=-1414kJ...

    Text Solution

    |

  18. H2(g)+I2(g)rarr2HI(g), triangleH=-12.40 kcals, Heat of formation of HI...

    Text Solution

    |

  19. Heat evolved in the reaction,H2+Cl2rarr2HCl is 182 kJ. Bond energies o...

    Text Solution

    |

  20. The heat of formation of CO(g) and CO 2 ​ (g) are ΔH=−110 and ΔH=−39...

    Text Solution

    |