1
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the complex ion with electronic configuration $t_{2 g}^3 e_g^2$.
A
$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$
B
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$
C
$\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
D
$\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$
2
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$\mathrm{Pt}+3: 1$ mixture of $\left(\right.$ Conc. $\mathrm{HCl}+$ conc. $\left.\mathrm{HNO}_3\right) \rightarrow[\mathrm{X}]^{2-}$

What is the oxidation state of Pt in $[\mathrm{X}]^{2-}$ complex ion ?

A
+2
B
+3
C
+4
D
+6
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following will have a spin only magnetic moment of 2.86 BM ?
A
$\left[\mathrm{COF}_6\right]^{3-}$
B
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$
C
$\left[\mathrm{NiCl}_4\right]^2$
D
$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The molecular formula of a coordinate complex is $\mathrm{CoH}_{12} \mathrm{O}_6 \mathrm{Cl}_3$. When one mole of this aqueous solution of complex is reacted with excess of aqueous $\mathrm{AgNO}_3$ solution, three moles of AgCl was formed. What is the correct formula of the complex ?
A
$\left[\mathrm{CO}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3$
B
$\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}_1 \mathrm{Cl}_2 \mathrm{H}_2 \mathrm{O}\right.$
C
$\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl}\left(\mathrm{H}_2 \mathrm{O}\right)_2$
D
$\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right]\left(\mathrm{H}_2 \mathrm{O}\right)_3$
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