1
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The IUPAC name of the complex shown below is $\mathrm{K}_3\left[\mathrm{Co}(\mathrm{ox})_3\right]$

A

tripotassium trioxalatocobaltate (III)

B

potassium trioxalatecobaltate (III)

C

potassium trioxalatecobalt (III)

D

potassium trioxalatocobaltate (III)

2
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The coordination number of chromium in $\mathrm{K}\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_2\right]$ is

A

5

B

4

C

6

D

3

3
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

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

4
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

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

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