1
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following correctly represents the order of ligands in spectrochemical series?

A

$\mathrm{Br}^{-}<\mathrm{Cl}^{-}<\mathrm{NH}_3<\mathrm{H}_2 \mathrm{O}$

B

$\mathrm{I}^{-}<\mathrm{Br}^{-}<\mathrm{H}_2 \mathrm{O}<[\mathrm{OH}]^{-}$

C

$\mathrm{F}^{-}<\mathrm{Cl}^{-}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3$

D

$\mathrm{I}^{-}<\mathrm{Cl}^{-}<\mathrm{H}_2 \mathrm{O}<$ en

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Coordination number of Fe in the complexes $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-},\left(\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$ and $\left[\mathrm{FeCl}_4\right]^{-}$would be respectively

A

$2,3,3$

B

$ 6, 6, 4$

C

$6,3,3$

D

$6,4,6$

3
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct match for complex with its magnetic behaviour in the following is

A

$\left[\mathrm{Zn}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; paramagnetic

B

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$; diamagnetic

C

$\left[\mathrm{CoF}_6\right]^{3-}$; diamagnetic

D

$\left[\mathrm{V}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; diamagnetic

4
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

$A^{2+}, B^{2+}$ and $C^{-}$form an ionic complex like $A_{x-2}\left[B(C)_x\right]_2$. If the complex is $75 \%$ dissociated in a solvent with $i=4$, the coordination number of $B$ is

A

3

B

4

C

5

D

6

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