Q.

a) The correct order with respect to the given property are X.
(i) H2>He : Boiling point order
(ii) He>Ne>Ar>Kr>Xe  :  Boiling point order
(iii) S>O>Se>Te : electron affinity
(iv) Diamond > graphite  : Thermal conductivity order
(v) HF > HI > HBr > HCl : Boiling point order

b) Out of the following configurations which shows Jahn Teller distortion are Y.
i) d4 – high spin        ii) d7 – low spin            iii) d9  
iv) d3                       v) d4 – low spin                vi) d7 – high spin
Find the value of |YX| is_____.

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answer is 2.

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Detailed Solution

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(i) H2>He  :  Boiling point order
(iv) Diamond > graphite  : Thermal conductivity order
(v) HF > HI > HBr > HCl : Boiling point order
The configurations which show JTD are I, II, III, V, VI

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a) The correct order with respect to the given property are X.(i) H2>He : Boiling point order(ii) He>Ne>Ar>Kr>Xe  :  Boiling point order(iii) S>O>Se>Te : electron affinity(iv) Diamond > graphite  : Thermal conductivity order(v) HF > HI > HBr > HCl : Boiling point orderb) Out of the following configurations which shows Jahn Teller distortion are Y.i) d4 – high spin        ii) d7 – low spin            iii) d9  iv) d3                       v) d4 – low spin                vi) d7 – high spinFind the value of |Y−X| is_____.