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Reshav posted an Question
August 21, 2020 • 13:56 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Yellow anuw tllk, diue (0) yellow, blue, pink (c) pink, yellow, blue (d) bue, r cu(ll) forms pink colour complex with o-phenanthrolene [cu(phen),]. when this co

Yellow anUW tllk, DIue (0) YelloW, Blue, Pink (c) Pink, Yellow, Blue (d) Bue, r Cu(ll) forms pink colour complex with o-phenanthrolene [Cu(Phen),]. When this complex IS reuu colour of complex disappear, the colour in compound is due to k, K, Blue e, Pink (c) Pink, Yellow, Blue (d) Blue, Pink, Yellow duced (a) LMCT (b) d-d transfer (c) MLCT (d) None of these When light is passed through a solution of Nickel sulphate, green colauric al hecause of

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    Priyanshu kumar best-answer

    Option B d-d transition

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    reason?

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    Cu2+ shows colour due to d-d transition d9 configuration but when it is reduced to Cu+ it is colourless...no unpaired electron d10 configuration...no d-d transition..colourless

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    Got reshav??

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    ok

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