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

Identify the complex ion with spin only magnetic moment of 4.90 BM .

A

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

B

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

C

$\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$

D

$\left[\mathrm{MnCl}_6\right]^{3-}$

2
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

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

3
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

4
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

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

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