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Which second row transition metal is present in the following compound:
  • a)
    Zr
  • b)
    Nb
  • c)
    Mo
  • d)
    R4
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which second row transition metal is present in the following compound...
The given complex is written as:

This indicates a metal complex with cyclopentadienyl  and cyclohexadienyl  ligands, along with phosphine (PMe3​) and hydride (H) groups. The central metal is likely a second-row transition metal from the periodic table, and the coordination environment suggests it is from group 6.
  • Zr (Zirconium) and Nb (Niobium) are in the 4th and 5th rows, respectively.
  • Mo (Molybdenum) is a second-row transition metal in group 6, which fits the given compound, and it is known to form complexes with the described ligands.
  • R₄ is not a valid metal, so it is not an option.
Thus, the correct second-row transition metal in the complex is Mo (Molybdenum), making Option C the correct answer.
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