Coordination Compounds Test

Result

Coordination Compounds Test - 64

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following does not show optical activity?

A
$$\left[ CO\left( { NH }_{ 3 } \right) _{ 4 }{ Cl }_{ 2 } \right] $$

B
$$\left[ Cr\left( ox \right) _{ 3 } \right] ^{ 3- }$$

C
$$\left[ CO\left( ox \right) _{ 2 }\left( { NH }_{ 3 } \right) _{ 2 } \right] Cl$$

D
$$\left[ CO\left( en \right) \left( { NH }_{ 3 } \right) _{ 2 }\left( { H }_{ 2 }O \right) _{ 2 } \right] { Cl }_{ 2 }$$

Solution
Question 2
1 / -0

Aqueous solution of which species shows highest molar conductivity?

A
$$ K_3[Co(C_2O_4)_3] $$

B
$$ [Pt(H_2O)_6]Br_4 $$

C
$$ [Co(NH_3)_5(CO_3)]Cl $$

D
$$ [Pt(NH_3)_2Cl(NO_2)] $$
Question 3
1 / -0

Which of the following will give maximum number of isomers?

A
$$\left[ Co\left( { NH }_{ 3 } \right) _{ 4 } \right] { Cl }_{ 2 }$$

B
$$\left[ Ni\left( { NH }_{ 3 } \right) _{ 4 }\left( en \right) \right] ^{ 2+ }$$

C
$$\left[ Ni\left( en \right) _{ 2 }\left( { C }_{ 2 }{ O }_{ 4 } \right) \right] ^{ 2- }$$

D
$$\left[ Cr\left( { NH }_{ 3 } \right) _{ 4 }\left( SCN \right) _{ 2 } \right] ^{ + }$$
Question 4
1 / -0

In which of the following pairs , the hybridisation of central atmos is same but molecular geometry is not the same ?

A
$${ SO }_{ 3 },{ CO }_{ 3 }^{ 2- }$$

B
$${ SO }_{ 3 }^{ 2- },{ NH }_{ 3 }$$

C
$${ PCl }_{ 5 },{ POCl }_{ 3 }$$

D
$${ XeF }_{ 2 },{ ICl }_{ 3 }$$

Solution
Question 5
1 / -0

The oxidation number of Ni in $$Na_{ 2 }[Ni(EDTA)]$$is

A
+4

B
+6

C
+2

D
0

Solution
Question 6
1 / -0

The number of ions formed when $$[Cu(NH_3)_4] SO_4$$ is dissolved in water is:

A
1

B
2

C
4

D
zero
Question 7
1 / -0

The coordination number and oxidation state of metal M in complex $$ [M(NH_3)_3 Cl_2SO_4 ] $$ respectively are:

A
6 and +3

B
5 and +2

C
6 and +4

D
5 and +3
Question 8
1 / -0

The oxidation state of nickel in $$[Ni(CO)_4]$$ is:

A
4

B
0

C
2

D
3

Solution
Question 9
1 / -0

The crystal field splitting for $${ Cr }^{ 3+ }$$ ion in octahedral field changes for following ligands in decreasing order as:-

A
$${ I }^{ - }<{ H }_{ 2 }O<{ NH }_{ 3 }<{ CN }^{ - }$$

B
$$CN^{ - }{ >I }^{ - }>{ H }_{ 2 }O{ >NH }_{ 3 }$$

C
$$CN^{ - }>EDT{ A }^{ -4 }>{ S }^{ -2 }>{ Cl }^{ - }$$

D
$$CO>{ CN }^{ - }>{ I }^{ - }$$
Question 10
1 / -0

$$ [Co(H_2O)_5NO_2](NO_3)_2 $$ can not show

A
linkage isomerism

B
hydrate isomerism

C
ionization isomerism

D
optical isomerism

Solution