The number of Ni-Ni bonds in [CpNi( mu -PPh2)]2 complex obeying the 18 electron rule is

ABC26IN0277 · Organometallic Compounds

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: 18 Electron Rule · Exam: CSIR-NET 2018 · Marks: 2 · Difficulty: Medium

The number of Ni-Ni bonds in $\mathrm{[CpNi(\mu\text{-}PPh_2)]_2}$ complex obeying the 18 electron rule is

(a)0

(b)1

(c)2

(d)3

Answer

Answer (as printed): A

Explanation

$\mathrm{Ni}=10$ $\mathrm{Cp}=5e^{-}$ $\mathrm{Ph_2P}=3e^{-}$ $\mathrm{TOTAL}=18e^{-}$ Therefore, no M–M bonds.