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Which set of ions exhibit specific colours? (Atomic number of Sc = 21, Ti = 22, V=23, Mn = 25, Fe = 26, Ni = 28 Cu = 29 and Zn =30) a) Sc3+, Ti4+, Mn3+ b) Sc3+, Zn2+, Ni2+ c) V3+, V2+, Fe3+ d) Ti3+, Ti4+, Ni2+

Answer»

The Answer is : C

The answer is C : V​​3+,V​​​​​​2+,Fe​​​​​3+

Answer is option(C). Because Transition elements exhibit colour property when it has free unpaired electron in its valence shellV3+, V2+, Fe3+


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