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JEEMAIN and NEET
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NEET PAST PAPERS
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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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