Home
Class 11
CHEMISTRY
An iodine molecule dissociates into atom...

An iodine molecule dissociates into atom after absorbing light of wavelength `4500`Å. If quantum of radiation is absorbed by each molecule calculate the kinetic energy of iodine (Bond energy of `I_(2)` is `240`` kJ mol^(-1))`

A

`8. 6 xx 10^(-36) J`

B

`2.17 xx 10^(-20)J`

C

433 kJ

D

4.3 J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Bohr s Theory|123 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise de Brogile and Heisenberg|43 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Subjective Type|55 Videos

  • CHEMICAL EQUILIBRIUM

    GRB PUBLICATION|Exercise D.Le Chateliera principle|16 Videos

Similar Questions

Explore conceptually related problems

An iodine dissociates into atom after absorting light of wave length 4500Å If quantum of radition is absorbed by each molecule calculate the kinetic energy of iodine (Bood energy of I_(2) is 240 kJ (mol))

Ioline molecule dissociated into atom after abesrbing light of 4500 Å If can quantum of radiation is absorbed by each molecule, energy of l_(2) = 240 kJ mol^(-1)

Calculate the kinetic energy of O_(2) molecule which has wavelength of 2.5 pm.

Calculate the average kinetic energy of 8 g molecules of methane at 27^(@)C in joule. (R=8.314 JK^(-1) mol^(-1))

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

GRB PUBLICATION-ATOMIC STRUCTURE-Planck s Theory
  1. In a photoelectric effect experiment , photons of energy 5.0 eV are in...

    Text Solution

    |

  2. What is the energy of photons with a wavelength of 434 nm?

    Text Solution

    |

  3. The first ionization energy of Na is 495.9 kJ mol^(-1) . What is the l...

    Text Solution

    |

  4. An acidic solution of methyl red has an absorbance of 0.451 at 530 nm ...

    Text Solution

    |

  5. Albert Einstein's explanation of the photoelectric effect confirmed wh...

    Text Solution

    |

  6. For which of the following transitions would a hydrogen atom absorb a ...

    Text Solution

    |

  7. The energy required to break one mole of hydrogen- hydrogen bonds in H...

    Text Solution

    |

  8. What is the energy of photon from a laser that emits light at 632.8 nm

    Text Solution

    |

  9. Which properties of electromagnetic radiation are inversely related?

    Text Solution

    |

  10. Which electronic transition in a hydrogen atom releases the greatest a...

    Text Solution

    |

  11. What is the frequency of light with a wavelength of 480 nm

    Text Solution

    |

  12. A 124 W bulb converts only 15 % of the energy supplied to it into visi...

    Text Solution

    |

  13. The first ionization energy of caesium is 6.24 xx 10^(-19)J//"atom" . ...

    Text Solution

    |

  14. Two bulbs A and B are emitting monochromatic light of wavelength such ...

    Text Solution

    |

  15. An iodine molecule dissociates into atom after absorbing light of wav...

    Text Solution

    |

  16. A photon of energy hv is absorbed by a free electron of a metal having...

    Text Solution

    |

  17. Minimum accelerating potential (volts) needed to accelerate an electro...

    Text Solution

    |

  18. If lambda(0) is the threshold wavelength for photoelectric emission. ...

    Text Solution

    |

  19. Wavelength of Radiowaves is :

    Text Solution

    |

  20. In the following transition which statement is correct ?

    Text Solution

    |