Given below are two statements :
Statement I: Aluminium upon reaction with NaOH forms $\left[\mathrm{Al}(\mathrm{OH})_6\right]^{3-}$ ion.
Statement II : The geometry of $\mathrm{ICl}_4^{-}, \mathrm{ClO}_3^{-}$and $\mathrm{IBr}_2^{-}$is square planar, pyramidal and linear respectively.
In the light of the above statements, choose the correct answer from the options given below :
Given below are two statements :
Statement I : Presence of large number of unpaired electrons in transition metal atoms results in higher enthalpies of their atomisation.
Statement II : $\quad \mathrm{d}_{x y}=\mathrm{d}_{x z}=\mathrm{d}_{y z}<\mathrm{d}_{x^2-y^2}=\mathrm{d}_{z^2}$ and $\mathrm{d}_{x^2-y^2}=\mathrm{d}_{z^2}<\mathrm{d}_{x y}=\mathrm{d}_{x z}=\mathrm{d}_{y z}$ are the d-orbital splittings in $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ and $\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{2-}$ complex ions respectively.
In the light of the above statements, choose the correct answer from the options given below :
Identify the correct statements from the following
A. $\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ is the most stable complex among $\left[\mathrm{Fe}(\mathrm{OH})_6\right]^{3-},\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ and $\left[\mathrm{Fe}(\mathrm{SCN})_6\right]^{3-}$
B. The stability of $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ is greater than that of $\left[\mathrm{Cu}(\mathrm{en})_2\right]^{2+}$
C. The hybridization of Fe in $\mathrm{K}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ is $\mathrm{d}^2 \mathrm{sp}^3$
D. $\left[\mathrm{Fe}\left(\mathrm{NO}_2\right)_3 \mathrm{Cl}_3\right]^{3-}$ exhibits linkage isomerism
E. $ \mathrm{NO}_2^{-}$and $\mathrm{SCN}^{-}$ligands are NOT ambidentate ligands
Choose the correct answer from the options given below :
$$ \text { Match List - I with List - II. } $$
| List - I Purification technique |
List - II Used to separate |
||
|---|---|---|---|
| A. | Simple distillation | I. | Steam volatile compound |
| B. | Fractional distillation | II. | Two liquids with large difference in boiling points |
| C. | Steam distillation | III. | Liquid decomposing at its boiling point |
| D. | Distillation under reduced pressure | IV. | Two liquids with close boiling points |
Choose the correct answer from the options given below :
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