1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is a homoleptic complex whereas $$[\mathrm{Co}(\mathrm{NH}_3)_4 \mathrm{Cl}_2]^{+}$$ is a heteroleptic complex.

Statement II : Complex $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ has only one kind of ligands but $$[\mathrm{Co}(\mathrm{NH}_3)_4 \mathrm{Cl}_2]^{+}$$ has more than one kind of ligands.

In the light of the above statements, choose the correct answer from the options given below.

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the form [M(H$$_2$$O$$_6$$]$$^{3+}$$

A
Ga
B
In
C
Al
D
B
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following forms a set of complex and a double salt, respectively?

A
$$\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$$ and $$\mathrm{CuCl}_2, 4 \mathrm{NH}_3$$
B
$$\mathrm{PtCl}_2 \cdot 2 \mathrm{NH}_3$$ and $$\mathrm{PtCl}_4 \cdot 2 \mathrm{HCl}$$
C
$$\mathrm{K}_2 \mathrm{PtCl}_2 \cdot 2 \mathrm{NH}_3$$ and $$\mathrm{KAl}\left(\mathrm{SO}_4\right)_2 \cdot 12 \mathrm{H}_2 \mathrm{O}$$
D
$$\mathrm{NiCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O}$$ and $$\mathrm{NiCl}_2\left(\mathrm{H}_2 \mathrm{O}\right)_4$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Type of isomerism exhibited by compounds $$ \left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3,\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}_2 \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\right.\right.,\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} .2 \mathrm{H}_2 \mathrm{O}$$ and the value of coordination number $$(\mathrm{CN})$$ of central metal ion in all these compounds, respectively is :

A
Geometrical isomerism, CN = 2
B
Optical isomerism, CN = 4
C
Ionisation isomerism, CN = 4
D
Solvate isomerism, CN = 6
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