1
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In which one of the following complexes the metal ion has $t_{2 g}^3 e_g^2$ configuration?

A

$\left[\mathrm{Mn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$

B

$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$

C

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

D

$\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In $\mathrm{Fe}_x\left[\mathrm{Fe}_y(\mathrm{CN})_6\right]_3, x, y$ respectively, are

A

3, 2

B

4, 1

C

2, 3

D

1, 4

3
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following, complex ions are not in correct order with respect to their magnitude of crystal field splitting?

A

$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}>\left[\mathrm{FeF}_6\right]^{3-}$

B

$\left[\mathrm{Fe}(\mathrm{en})_3\right]^{3+}>\left[\mathrm{Fe}(\mathrm{NCS})_6\right]^{3-}$

C

$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}>\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$

D

$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}>\left[\mathrm{Fe}\left(\mathrm{NH}_3\right)_6\right]^{2+}$

4
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following complexes exhibit geometrical isomerism?

I. $\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right] \mathrm{Cl}$

II. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl}$

III. $\left[\mathrm{Co}(\mathrm{en})_3, \mathrm{Cl}_3\right.$

IV. $\left[\mathrm{Co}(\mathrm{en})_2 \mathrm{Cl}_2\right] \mathrm{Br}$

A

I, II and III only

B

II, III and IV only

C

I, II and IV only

D

II and III only

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