Shib sankar dhar Asked a Question
July 16, 2020 9:56 ampts 30 pts
(a) NPBAA Bond distance (C-H) in CH, is x and that of (Si -H) in SiH, is y. C-Si bond is Z A Calculate covalent radii of H atom ignoring the electronegativity difference (D) TN (s) X+y-2 2 X+y 2 (d) (a) (b) 2 2 Which of the following is incorrect (a) An element which has high electronegativity always has high electron gain en- thalpy (b) Electron gain enthalpy is the property of an isolated atom (c) Electronegativity is the property of bonded atoms. (d) Both electronegativity and electron gain enthalpy are usually directly related to nuclear charge. uL: ftho f11owina snecies of Mn has lowest electronegativity? 79.
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  • Priyanshu kumar Best Answer
    check shib for 78...option B is correct
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    Priyanshu kumar
    please mark the answer if it helps๐Ÿ˜Š๐Ÿ™
  • Suman Kumar thankyou
    Flourine due to small in size it has low eletron gain enthalpy. Addition of eletron cause repulsion due to lower size.
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    Suman Kumar
    So Statement A is incorrect. As flourine is most eletronegative but has less eletron gain enthalpy
  • Priyanshu kumar
    option A is incorrect... as you know electron gain enthalpy is the property of isolated atom... Electronegativity is tendency of element to attract bonded pair of electrons toward...
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    Priyanshu kumar
    got it shib?
  • Dinesh khalmaniya
    The statement, "An element which has high electronegativity always has high electron gain enthalpy" is incorrect. The electron affinity of fluorine is lower than the electron aff...
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    Dinesh khalmaniya
    please accept the answer if you got it ๐Ÿ™๐Ÿ™๐Ÿ™
  • Dinesh khalmaniya
    hope this will help you ๐Ÿ™๐Ÿ™๐Ÿ™๐Ÿ™
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