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Transition Metals question

2020 · Q18
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Transition Metals question

2020 · Q18

IIT JAMChemistryTransition MetalsMCQ+2 / −0.67
The order of the M–C bond strength in the following species is (Atomic number for Cr = 24, Mn = 25, Ti = 22, Co = 27) [Cr(CO)6][Mn(CO)6]+[Ti(CO)6]2−[Co(CO)4]−[\text{Cr}(\text{CO})_6] \quad [\text{Mn}(\text{CO})_6]^+ \quad [\text{Ti}(\text{CO})_6]^{2-} \quad [\text{Co}(\text{CO})_4]^-[Cr(CO)6​][Mn(CO)6​]+[Ti(CO)6​]2−[Co(CO)4​]− I II III IV
  1. A
    II > I > IV > III
  2. B
    I > III > II > IV
  3. C
    III > IV > I > II
  4. D
    III > I > II > IV
View written solutionFree

Correct answer: C

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