Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 20

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Consider the following statements:

According to Werner's theory:

(1) Ligands are connected to the metal ions by ionic bonds.

(2) Secondary valencies have directional properties

(3) Secondary valencies are non-ionisable

Of these statements:

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Important Questions on Coordination Compounds

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 21

Chromium hexacarbonyl is an octahedral compound involving:

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 22

Which of the following molecules is not tetrahedral?

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 23

What is the ratio of uncomplexed to complexed

{Zn}^{2 +}

ion in a solution that is

10 M

in

{NH}_{3},

if the stability constant of

{[Zn {({NH}_{3})}_{4}]}^{2 +}

is

3 \times 10^{9} ?

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 24

[Co {({NH}_{3})}_{4} {({NO}_{2})}_{2}] Cl

exhibits

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 25

Which of the following give maximum number of isomers?

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 26

The hypothetical complex chlorodiaquatriamminecobalt

(III)

chloride can be represented as

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 27

Which of the following coordination compounds would exhibit optical isomerism ?

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Alpha Question Bank for Medical: Chemistry>Chapter 20 - Coordination Compounds>Exercise 2>Q 28

Considering

H_{2} O

as a weak field ligand, the number of unpaired electrons in

{[Mn {(H_{2} O)}_{6}]}^{2 +}

will be (Atomic no. of

Mn = 25

)