IIT JAM
Shib sankar dhar Asked a Question
July 16, 2020 8:22 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

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Higher value of ionization energies of 5d transition elements are consistent with the (a) Relatively smaller screening effect (b) Relatively smaller size of their atoms (c) Relatively smaller effective nuclear charge (d) All above 15
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  • Priyanshu kumar thankyou
    option A & B is correct...this is due to relatively small size of the atoms(lanthanide contractions) and smaller screening effect
    • cropped4207534521607187535.jpg
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    Priyanshu kumar
    https://youtu.be/MU9J8SMN_jE see this video for more clear understanding
  • Lingareddy thankyou
    ANSWER  In the 5d-series of transitions elements, after lanthanum (La), the added electrons go to the next inner 4f orbitals. The 4f electrons have poor shielding effect. As a res...
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  • Dinesh khalmaniya
    check it
    • cropped7898895985280107666.jpg
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    Dinesh khalmaniya
    check it
    • cropped4660638348504723921.jpg
  • Priyanshu kumar
    hope this will helps u😊🙏
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  • Dinesh khalmaniya
    Option A and B are correct
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