1.

Which one of the following complexes will most likely absorb visible light? (At nos. Sc=21, Ti=22, V=23, Zn=30)

A. \[{{[Sc{{({{H}_{2}}O)}_{6}}]}^{3+}}\]        
B. \[{{[Ti{{(N{{H}_{3}})}_{6}}]}^{4+}}\]
C. \[{{[V{{(N{{H}_{3}})}_{6}}]}^{3+}}\]          
D. \[{{[Zn{{(N{{H}_{3}})}_{6}}]}^{2+}}\]
Answer» D. \[{{[Zn{{(N{{H}_{3}})}_{6}}]}^{2+}}\]


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