MEDIUM

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Explain, how the nature of ligand affects the stability of coordination complex.

Important Questions on Coordination Compounds

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The overall complex dissociation equilibrium constant for

{[Cr {(H_{2} O)}_{6}]}^{3 +}

ion is

5 \times 10^{- 12}

. The overall stability constant of the complex is

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Prolonged heating is avoided during the preparation of ferrous ammonium sulphate to

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The overall stability constant of the complex ion

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

2.1 \times 10^{13} .

The overall dissociation constant is

y \times 10^{- 14}

. Then

y

is (Nearest integer)

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The coordination complex that absorbs at higher wavelength is

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which of the following species is not stable?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which of the following complex ions absorbs the light of minimum wavelength?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The aqueous solution of potassium cyanide is mixed with aqueous solution of

F e (C N)_{2}

. The resulting solution will give test for

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which of the following is considered to be an anticancer species?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Name two factors that influence the stability of a complex.

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

{[C u C l_{4}]}^{2 -}

exists while

{[C u l_{4}]}^{2 -}

does not exist, because

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Select incorrect statement :

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which one is more stable in the following pair of complexes? Give reasons.

$[Co (H_{2} O)_{6}]^{2 +}$ and $[Co ({NH}_{3})_{6}]^{2 +}$

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which gives only one mole of

AgCl,

when reacts with

{AgNO}_{3}

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The most stable complex among the following is:

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which of the following factors tends to increase the stability of the metal ion complexes?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

The

π

-bounded organometallic compound which has ethylene as one of its component is

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Which one is more stable in the following pair of complex? Give reasons.

[Co ({NO}_{2})_{6}]^{4 -}

and

[Co ({NO}_{2})_{6}]^{3 -}

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Ammonia forms the complex

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

with copper ions in alkaline solutions, but not in acidic solution. Why?

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of coordination compounds

Explain the factors affecting the stability of coordination compounds.

Explain, how the nature of ligand affects the stability of coordination complex.

Important Questions on Coordination Compounds

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