1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The homoleptic complex in the following is

A
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Br}_2\right]^{\oplus}$$
B
$$\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)\left(\mathrm{NH}_3\right)_4\right]^{\oplus}$$
C
$$\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_6\right]^{3 \oplus}$$
D
$$\left[\mathrm{Co}(\mathrm{CN})_4 \mathrm{Cl}_2\right]^{\ominus}$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The crystal field theory is successful in explaining which of the following?

I. Ligands as point charges.

II. Formation and structures of complexes.

III. Colour.

IV. Magnetic properties.

V. Covalent character of metal-ligand bonding.

A
I, II, III only
B
II, III, IV only
C
III, IV, V only
D
II, IV, V only
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is correct related to the colours of $$\mathrm{TiCl}_3(X)$$ and $$\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3(Y)$$ ?

A
$$X=$$ colourless $$Y=$$ coloured
B
$$X=$$ colouored $$Y=$$ coloured
C
$$X=$$ colourless $$Y=$$ colourless
D
$$X=$$ coloured $$Y=$$ colourless
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$\mathrm{AlF}_3$$ is soluble in HF only in the presence of KF due to formation of

A
$$\mathrm{AlH}_3$$
B
$$\left[\mathrm{AlH}_6\right]^{3-}$$
C
$$\left[\mathrm{AlF}_6\right]^{3-}$$
D
$$\mathrm{K}\left[\mathrm{AlF}_3 \mathrm{H}\right]$$
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