Coordination Compounds Test

Result

Coordination Compounds Test - 62

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Weekly Quiz Competition

Question 1
1 / -0

The formula of the complex hydridotrimethoxoborate (III) ion is:

A
$$[BH(OCH_{3})_{3}]^{-2}$$

B
$$[BH_{2}(OCH_{3})_{3}]^{-2}$$

C
$$[BH(OCH_{3})_{3}]^{-}$$

D
$$[BH(OCH_{3})_{3}]^{+}$$

Solution
Question 2
1 / -0

Primary and secondary valency of Pt in $$\left[ Pt{ \left( en \right) }_{ 2 }{ Cl }_{ 2 } \right] { Cl }_{ 2 }$$ are respectively

A
$$4,4$$

B
$$4,6$$

C
$$6,4$$

D
$$2,6$$
Question 3
1 / -0

$$A+B$$$$\rightleftharpoons$$$$C+D$$ if initially the concntration of A and B are both equal but at equilibium concentration of D will twice that of A, then what will be the equilibium constant of the reaction?

A
1

B
2

C
3

D
4

Solution
Question 4
1 / -0

For complexes : (i) $$CoCl_{3}, 6NH_{3}$$ (ii) $$CoCl_{3}. 5NH_{3}$$ (iii) $$CoCl_{3}. 4NH_{3}$$ primary valency in I, II and III are respectively.

A
$$6, 5, 4$$

B
$$3, 2, 1$$

C
$$0, 1, 2$$

D
$$3, 3, 3$$
Question 5
1 / -0

What is the configuration of $$ Cr^{+3} $$ according to C.F.T. in aqueous medium?

A
$$ t^2_{2g}e^1_g $$

B
$$ t^3_{2g}e^0_g $$

C
$$ t^1_{2g}e^2_g $$

D
$$ t^0_{2g}e^3_g $$

Solution
Question 6
1 / -0

Magnetic moment (spin only) of an octahedron complex having CFSE $$= - 0.8 \Delta _ { 0 }$$ and surrounded by weak field ligands can be:

A
$$\sqrt { 15 }\ \mathrm { BM }$$

B
$$\sqrt { 8 }\ \mathrm { BM }$$

C
(a) $$\&$$ (b) both

D
None of these

Solution
Question 7
1 / -0

What type of bond is $$L \rightarrow M$$ in complex compounds?

A
Ionic

B
Metallic

C
Co-ordinate covalent

D
Covalent
Question 8
1 / -0

In $${ K }_{ 4 }\left[ { Fe\left( CN \right) }_{ 6 } \right] ,$$ the E.AN. of $$Fe$$ is:

A
33

B
35

C
36

D
26

Solution
Question 9
1 / -0

What type of hybridization is possible in square planar molecules?

A
$$sp^3$$

B
$$dsp^2$$

C
$$sp^3d$$

D
$$dsp^3$$
Question 10
1 / -0

Alfred warner prepared many new compound by mixture of _______ and ammonia.

A
Iron chloride

B
Cobalt chloride

C
Maganese chloride

D
Chromium chloride