Home
Class 11
CHEMISTRY
The dissociation energy of H(2) is 430.5...

The dissociation energy of `H_(2)` is 430.53 `kJ*mol^-1`. If hydrogen is dissociated by illumination with radiation of wavelength 253.7 nm, the fraction of the radiant energy which will be converted into kinetic energy is given by-

A

1

B

0.0876

C

`2.22%`

D

`1.22%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT TYPE QUESTION)|33 Videos

  • STRUCTURE OF ATOM

    CHHAYA PUBLICATION|Exercise EXERCISE (FILL IN THE BLANKS)|12 Videos

  • STRUCTURE OF ATOM

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|57 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|10 Videos

Similar Questions

Explore conceptually related problems

The dissociation energy of H_2 is 430.53 kj/mole.if H_2 is dissociated by illumination with radiations of wavelength 253.7 nm the fraction of the radiant energy which will be converted into kinetic energy is given by

Bond dissociation energy of CH_(4) is 360 kJ/mol and C_(2)H_(6) is 620 kJ/mol. Then bond dissociation energy of C-C bond is-

Electromagnetic radiatio of wavelength 242 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy of sodium in kJ*mol^(-1) .

If the bond energy of C-H bond is +416.18 kJ*mol^(-1) , then what will be the enthalpy of formation of C-H bond?

At 25^(@)C , the bond dissociation energy of N_(2)(g) is 946 kJ*mol^(-1) . What does it mean ? What would be the standard atomisation enthalpy of N_(2)(g) at 25^(@)C ?

The wavelength of matter waves associated with an electron of mass m having kinetic energy E is given by (h is Planck's constant)

The bond dissociation energies of X_(2) , Y_(2) and XY are in the ratio of 1 : 0.5 : 1 . Delta H for the formation of XY is -200 kJ * mol^(-1) . The bond dissociation energy of X_(2) is -

The bond dissociation energies of XY, X_2 and Y_2 (all diatomic molecules) are in the reaction 1:1:0:5 and Delta H_r for the formation of XY is -200 KJ mol^(-1) what will be the bond dissociation energy of X_2 ?

The bond dissociation energies of X_(2),Y_(2) and XY are in the ratio of 1:0.5:1. DeltaH for the formation of XY is -200 kJ*mol^(-1) . The bond dissociationn energy of X_(2) will be-

CHHAYA PUBLICATION-STRUCTURE OF ATOM-MCQ HOTSPOT (SINGLE CORRECT TYPE)
  1. Radial part of the wave function depends upon quantum numbers-

    Text Solution

    |

  2. Which of the following pairs of nuclides are isodiaphers-

    Text Solution

    |

  3. The dissociation energy of H(2) is 430.53 kJ*mol^-1. If hydrogen is di...

    Text Solution

    |

  4. The correct order of penetrating power of 3s, 3p, 3d electrons is-

    Text Solution

    |

  5. Hund's rule pertains to the distribution of electrons in-

    Text Solution

    |

  6. A principal shell having the highest energy subshell to the 'g' can ac...

    Text Solution

    |

  7. When an electron of H-atom jumps from a higher to lower energy state, ...

    Text Solution

    |

  8. What will be the number of spectral lines(N) observed if an electron u...

    Text Solution

    |

  9. Electromagnetic radiation with maximum wavelength is-

    Text Solution

    |

  10. Brackett series are produced when the electrons from the outer orbits ...

    Text Solution

    |

  11. Of the following sets which one does NOTZ contain isoelectronic specie...

    Text Solution

    |

  12. The hydrogen like species Li^(2+) is in a psherically symmetric state ...

    Text Solution

    |

  13. The hydrogen like species Li^(2+) is in a spherically symmetric state ...

    Text Solution

    |

  14. The hydrogen like species Li^(2+) is in a psherically symmetric state ...

    Text Solution

    |

  15. In an atom, an electron is moving with a speed at 600 m/s with an accu...

    Text Solution

    |

  16. The ionisation enthalpy of hydrogen atom is 1.312xx10^(6)J*mol^(-1). T...

    Text Solution

    |

  17. If we apply potential difference so that an electron is accelerated co...

    Text Solution

    |

  18. An electron has wavelength 1A^@ the potential by which the electron is...

    Text Solution

    |

  19. If two particles are associated with same kinetic energy, then the de ...

    Text Solution

    |

  20. The ratio of magnetic moments of Fe(III) and CO(II) is-

    Text Solution

    |