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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

Which of the following complex ions is expected to absorb visible light ? {At no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)


( A ) $[Ti(en)_2(NH_3)_2]^{4+}$
( B ) $[Sc(H_2O)_3(NH_3)_3]$
( C ) $[Cr(NH_3)_6]^{3+}$
( D ) $[Zn(NH_3)_6]^{2+}$

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