MCQ
All form ideal solution except
- A${C_2}{H_5}Br$ and ${C_2}{H_5}I$
- B${C_2}{H_5}Cl$ and ${C_6}{H_5}Br$
- C${C_6}{H_6}$ and ${C_6}{H_5}C{H_3}$
- ✓${C_2}{H_5}I$ and ${C_2}{H_5}OH$
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Reason: Due to formation of a complex
$(A)$ $\left[ FeF _{6}\right]^{3-}$
$(B)$ $\left[ Fe ( CN )_{6}\right]^{3-}$
$(C)$ $\left[ MnCl _{6}\right]^{3-}$ (high spin)
$(D)$ $\left[ Mn ( CN )_{6}\right]^{3-}$