Which among the following will be named as dibromidobis (ethylene diamine)chromium(III) bromide?

Which among the following will be named as dibromidobis (ethylene diamine)chromium(III) bromide?
  1. $\left[\mathrm{Cr}(\mathrm{en})_3\right] \mathrm{Br}_3$
  2. $\left[\mathrm{Cr}(\mathrm{en})_2 \mathrm{Br}_2\right] \mathrm{Br}$
  3. $\left[\mathrm{Cr}(\text { en }) \mathrm{Br}_4\right]^{-}$
  4. $\left[\mathrm{Cr}(\mathrm{en}) \mathrm{Br}_2\right] \mathrm{Br}$

Solution

$\left[\mathrm{Cr}(\mathrm{en})_2 \mathrm{Br}_2\right] \mathrm{Br}$ - dibromido bis (ethylene diamine)chromium(III) bromide

Asked in: JEE Main 2012 (Offline)

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