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Givereason for the following (i) compoundsof transition elementaregenerallycoloured. (ii) MnO isbasicwhile Mn_(2) O_(7) is acidic (iii) Calculatethe magneticmoment adivalention inaqueousmedium if its atomicnumberis 26. |
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Answer» Solution :(i) The colourof TE transitionelementisdue TOTHE d-d transition (ii) Sincethe oxidationstateandpolarisingpowerof Mn in `Mn_(2)O_(7)`is higher it isacidicin nature `(iii) = mu = sqrt(N(n + 2)) = sqrt( 4(4+2))` `= 4.90 BM` |
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