Question

Which among the following is a paramagnetic complex?
(a) Mo(CO)₆
(b) [Co(NH₃)₆]³⁺
(c) [Pt(en)Cl₂]
(d) [CoBr₄]²⁻
(At. No. of Mo = 42, Pt = 78)

Answer 1

A metal-containing ring like that shown is called a chelate ... more stable than the corresponding complexes of ... this increase in stability is called the chelate effect

a is correct answer

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Answer 2

Hello Friend

Ans

option.a

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