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| List-I Tetrahedral Complex | List-II Electronic configuration | ||
| (A) | $TiCl _4$ | (I) | $e ^2, t _2^0$ |
| (B) | $\left[ FeO _4\right]^{2-}$ | (II) | $e ^4, t _2^3$ |
| (C) | $\left[ FeCl _4\right]^{-}$ | (III) | $e^0, t_2^0$ |
| (D) | $\left[ CoCl _4\right]^{2-}$ | (IV) | $e ^2, t _2^3$ |
$(a)$ $U$ and $H$ each depends only on temperature
$(b)$ Compressibility factor $z$ is not equal to $1$
$(c)$ $C _{ P , m }- C _{ V , m }= R$
$(d)$ $d U = C _{ V } d T$ for any process
Statement $I$: $\mathrm{S}_8$ solid undergoes disproportionation reaction under alkaline conditions to form $\mathrm{S}^{2-}$ and $\mathrm{S}_2 \mathrm{O}_3{ }^{2-}$
Statement $II$: $\mathrm{ClO}_4^{-}$can undergodisproportionation reaction under acidic condition. In the light of the above statements, choose the most appropriate answer from the options given below :