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Step by step text solution for Account for the following : (a) (i) Copper(I) compounds are white whereas Copper(II) compounds are coloured. (ii) Chromates change their colour when kept in an acidic solution. (iii) Zn,Cd, Hg are considered as d-block elements but not as transition elements. (b) Calculate the spin only moment of Co^(2+)(Z=27) by writing the electronic configuration of Co and Co^(2+) by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 12 exams.
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