MCQ
Chrome green is $.......$
- ✓$ \mathrm{PbCrO}_4+\mathrm{Fe}^{\mathrm{III}}\left[\mathrm{Fe}^{\mathrm{II}}(\mathrm{CN})_6\right]^{-}$
- B$ \mathrm{Cr}_2 \mathrm{O}_5 $
- C$ \mathrm{PbCrO}_4 $
- D$ \mathrm{FeCrO}_4 $
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Hybridisation of carbon $a, b$ and $c$ respectively are :