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

An element '$$X$$' with the atomic number 13 forms a complex of the type $$[\mathrm{XCl}(\mathrm{H}_2 \mathrm{O})_5]^{2+}$$. The covalency and oxidation state of $$X$$ in it are respectively

A
$$5,+2$$
B
$$6,+2$$
C
$$5,+3$$
D
$$6,+3$$
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the species, which does not exist?

A
$$\left[\mathrm{SiF}_6\right]^{2-}$$
B
$$\left[\mathrm{SiCl}_6\right]^{2-}$$
C
$$\left[\mathrm{GeCl}_6\right]^{2-}$$
D
$$\left[\mathrm{Sn}(\mathrm{OH})_6\right]^{2-}$$
3
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
$$\left[\mathrm{Co}(\mathrm{CN})_4 \mathrm{Cl}_2\right]^{\ominus}$$
4
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
AP EAPCET Subjects
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