Home
Class 12
CHEMISTRY
Calculate the energy emitted when electr...

Calculate the energy emitted when electrons of 1.0 g of hydrogen atoms undergoes transition giving the spectral line of lowest energy in the visible region of its atomic spectrum.
`R_H = 1.1 xx 10^7 m^(-1) , c = 3 xx 10^8 ms^(-1) , h = 6.62 xx 10^(-34) Js` .

Text Solution

Verified by Experts

182.656kJ
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS OBJECTIVE QUESTIONS

    RC MUKHERJEE|Exercise MCQ|277 Videos

  • MOLECULAR WEIGHT

    RC MUKHERJEE|Exercise PROBLEMS |12 Videos

Similar Questions

Explore conceptually related problems

Calculate the energy emitted when electrons of 1.0 g atom of hydrogen undergo transition giving the spectral line of largest energy in the visible region of its atomic spectrum. (R_H = 1.1 xx 10^7 m^(-1), c = 3 xx 10^8 m s^(-1), h = 6.62 xx 10^(-34) J s)

Calculate energy in "KJ" when electrons of "0.05" gram atom "of hydrogen undergo transition giving the spectral line of lowest energy in the visible region of its atomic spectrum

Calculate energy in "KJ" when electrons of "0.05" gram atom of hydrogen undergo transition giving the spectral line of lowest energy in the visible region of its atomic spectrum

Calculate the energy emitted when electron of 1.0 gm atom of Hydrogen undergo transition giving the spectrtal lines of lowest energy is visible region of its atomic spectra. Given that, R_(H) = 1.1xx10^(7) m^(-1) , c=3xx10^8m//sec , h=6.625xx10^(-34) Jsec .

Calculate the energy emitted when electrons of 1.0 g 1 of hydrogen transition giving spectrum lines of the lowest in the visible regain of its atomic spectrum R_(H) = 1.1 xx 10^(7) m^(-1) , c= 3 xx 10^(8) m s^(-1) and h = 6.62 xx 10^(-34) J s

Find the energy released (in erg) when 2.0 g atom of hydrogen undergoes transition giving a spectral line of the lowest energy in the visible region of its atomic spectra

Find the two longest wavelength ("in" Å) emitted when hydrogen atom make transition and the spectrum lines lie in the visible regain (R = 1.097 xx 10^(7) m^(-1))

The frequency of radiation emiited when the electron falls n =4 to n=1 in a hydrogen atom will be ( given ionization energy of H= 2.18 xx 10 ^(-18)J "atom "^(-1) and h= 6.625 xx 10 ^(-34)Js)

RC MUKHERJEE-MISCELLANEOUS PROBLEMS FOR REVISION-SUBJECTIVE TYPE QUESTIONS
  1. The thermochemical equation for the dissociation of hydrogen gas into ...

    Text Solution

    |

  2. Calculate DeltaHf^@ for chloride ion from the following data 1/2 H...

    Text Solution

    |

  3. Calculate the energy emitted when electrons of 1.0 g of hydrogen atoms...

    Text Solution

    |

  4. What transition in the hydrogen spectrum would have the same wavelengt...

    Text Solution

    |

  5. Electromagnetic radiation of wavelength 242 nm is just sufficient to i...

    Text Solution

    |

  6. Copper metal has a face-centred cubic structure with unit cell length ...

    Text Solution

    |

  7. How many moles of electrons are involved in balancing the following re...

    Text Solution

    |

  8. Write the half reactions and number of moles of electrons involved in ...

    Text Solution

    |

  9. Given E^@ = 0 V for the H^(+)//H2 couple and -0.8281 V for H2O//H2, ...

    Text Solution

    |

  10. Given E^@ =-0.268 V for the PbCl2//Pb couple and -0.126 V for Pb^(2+)/...

    Text Solution

    |

  11. The vapour pressure of heptane and toluene at 50^@C are 141 mm and 93...

    Text Solution

    |

  12. Mixture of two liquids A and B is placed in cylinder containing piston...

    Text Solution

    |

  13. Air was drawn through a solution containing 38 g of solute in 100 g of...

    Text Solution

    |

  14. A mixture of nitrogen and hydrogen in a proportion of 1 : 3 by volume ...

    Text Solution

    |

  15. The equilibrium constant for the reaction H2(g) + I2(g) iff 2HI(g...

    Text Solution

    |

  16. At 21.5^@C and a total pressure of 0.0787 atm, N2O4 is 48.3% dissocia...

    Text Solution

    |

  17. Calculate the electron affinity of chlorine from the given data:

    Text Solution

    |

  18. A gas expands from a volume of 3.0 dm^(3) to 5.0 dm^(3) against a cons...

    Text Solution

    |

  19. Determine the enthalpy of the reaction C3H8(g) + H2(g) to C2H6(g)...

    Text Solution

    |

  20. A cylindrical tube of length 30 cm is partitioned by a tight-fitting s...

    Text Solution

    |