Class 12

22. Coordination compounds question bank (Chemistry)

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Q1.

In the complex ion [Fe(EDTA)]⁻ the coordination number and oxidation state of central metal ion is:-  

(A)
C.N. = 6   O.N. = +3
(B)
C.N. = 1   O.N. = –1
(C)
C.N. = 4   O.N. = +2
(D)
C.N. = 3   O.N. = +3
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Q2.

The coordination number and oxidation number of the central metal ion in the complex [Pt(en)â‚‚]²âº is:-  

(A)
C.N. = 2, O.N. = +2
(B)
C.N. = 6, O.N. = +4
(C)
C.N. = 4, O.N. = +4
(D)
C.N. = 4, O.N. = +2
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