Home
Class 11
CHEMISTRY
A^(+)(g) rarr A(g) DeltaH =- 2eV 2A(g)...

`A^(+)(g) rarr A(g) DeltaH =- 2eV`
`2A(g) rarr 2A^(+) (g) DeltaH = x` Find the value of x in eV.

Text Solution

Verified by Experts

The correct Answer is:
`004`

`{:(A^(+) rarr A, DeltaH =- 2eV),(rArr A rarr A^(+),DeltaH =+2eV),(rArr 2A rarr 2A^(+),DeltaH =+4eV):}`
Promotional Banner

Topper's Solved these Questions

  • PERIODIC TABLE

    GRB PUBLICATION|Exercise Match The Column Type|26 Videos
  • NOMENCLATURE AND CLASSIFICATION

    GRB PUBLICATION|Exercise Subjective Type|24 Videos
  • PRACTICAL ORGANIC CHEMISTRY

    GRB PUBLICATION|Exercise Exercise 4 (Matrix match type )|1 Videos

Similar Questions

Explore conceptually related problems

Based on the following thermochemical equations H_(2)O(g)+C(s)rarrCO(g)+H_(2)(g),DeltaH=131KJ CO(g)+1//2O_(2)(g)rarrCO_(2)(g),DeltaH=-282KJ H_(2)(g)+1//2_(2)(g)rarrH_(2)O(g),DeltaH=-242KJ C(s)+O_(2)(g)rarrCO_(2)(g),DeltaH=XKJ The value of X will be

For the process X(g) +e^(-) rarr X^(-)(g), DeltaH = x and X^(-)(g) rarr X(g) +e^(-), DeltaH = y Select correct alternate :

Given that , A(s) rarr A(l)DeltaH=x A(l) rarr A(g), DeltaH=y The heat of sublimation of A will be :

The enthalpies for the following reactions (DeltaH^(Theta)) at 25^(@)C are given below. a. (1)/(2)H_(2)(g) +(1)/(2)O_(2)(g) rarr OH(g) DeltaH = 10.06 kcal b. H_(2)(g) rarr 2H(g), DeltaH = 104.18 kcal c. O_(2)(g) rarr 2O(g), DeltaH = 118.32 kcal Calculate the O-H bond energy in the hydroxyl radical.

The ethalpies for the following reactions at 25^(@)C are given as: (1)/(2)H_(2)(g)+(1)/(2)O_(2)(g) rarr OH (g), DeltaH = 10.06 kcal H_(2)(g)rarr 2H(g),DeltaH = 104.18 kcal O_(2)(g) rarr 2O(g),DeltaH = 118.32 kcal Calculate the O-H bond enegry in the OH group.

Consider the following reactions (i) A(s)rarrA(g):DeltaH_(1) A(g)rarrA^(+)(g):DeltaH_(2) A^(+)(g)rarrA^(2+)(g):DeltaH_(3) then according to the given information, select the correct statement(s)

M_((g)) rarr M_((g))^(+) +e^(-), DeltaH = 100eV M_((g)) rarr M_((g))^(2+) +2e^(-), DeltaH = 250 eV which is incorrect statement?

Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-), DeltaH=100eV M(g) rarr M^(2+)(g)+2e^(-),DeltaH=250eV Select correct statement(s)

Given the following data H_2(g) rarr2H(g),DeltaH=104.2kcal Cl_2 (g) rarr 2Cl(g), DeltaH = 58 kcal HCl = H(g) +Cl(g) , DeltaH = 103.2 kcal The standard enthalpy of formation of HCl(g) is

GRB PUBLICATION-PERIODIC TABLE-Subjective Type
  1. Number of oxides which is/are more basic as compared to Na(2)O. Li(2...

    Text Solution

    |

  2. Bond length of A-A bond is 124 pm and bond length of B-B bond is 174 p...

    Text Solution

    |

  3. Find the number of chemical species in which outer shell 'd' orbital i...

    Text Solution

    |

  4. Find the number of transition elements in the following: Zn, Cd,Hg, ...

    Text Solution

    |

  5. According to Hannay-Smith formula, if E.N difference between A and B i...

    Text Solution

    |

  6. The element with the lowest atomic number that has a ground-state elec...

    Text Solution

    |

  7. Find the total number of correct orders among the following. (a) Ord...

    Text Solution

    |

  8. Period number of Sc = x Modern periodic table group number of TI = x...

    Text Solution

    |

  9. A^(+)(g) rarr A(g) DeltaH =- 2eV 2A(g) rarr 2A^(+) (g) DeltaH = x F...

    Text Solution

    |

  10. Number of unpaired electrons in Mn^(+7) = a Number of d-subshell ele...

    Text Solution

    |

  11. The oxidation state of fluorine in F(2) is x. Find value of |x|.

    Text Solution

    |

  12. Among the following number of elements, which are transition elements ...

    Text Solution

    |

  13. The number of different possible oxidation states of fluorine in the m...

    Text Solution

    |

  14. How many of the following species have lower IE(1) value compared to F...

    Text Solution

    |

  15. The number of oxides which are expected to be neutral amongst the oxid...

    Text Solution

    |

  16. What is the value of (n+l) for the unpaired e^(-) in an atom of an ele...

    Text Solution

    |

  17. A monoatomic anion of unit charge contain 45 neutrons and 36 electrons...

    Text Solution

    |

  18. If 3e^(-) can be accomodated in each orbital then how many elements wi...

    Text Solution

    |

  19. How may elements will be present in the 12th period of periodic table.

    Text Solution

    |

  20. Identify the number of pairs which have higher electronegativity diffe...

    Text Solution

    |