One Co - Co bonds, six terminal CO and two bridging CO .

No Co - Co bonds, six terminal CO and two bridging CO .

No Co - Co bonds, four terminal CO and four bridging CO .

One Co - Co bonds, four terminal CO and four bridging CO .

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Of the following complex ion, the one that probably has the largest overall formation constant, $K_{f}$ , is

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Important Questions on Coordination Compounds

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Which of the following species is not stable?

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

The correct pair of orbitals involved in $\pi$ -bonding between metal and

CO

in metal carbonyl complexes is:

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Low oxidation state of metals in their complexes are common when ligands

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

The theory that can completely/properly explain the nature of bonding in

[Ni {(CO)}_{4}]

is:

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

M n_{2} {(C O)}_{10}

is an organometallic compound due to the presence of:

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

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Number of bridging

CO

ligands in

[{Mn}_{2} {(CO)}_{10}]

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

[{Co}_{2} {(CO)}_{8}]

displays

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

The correct statement(s) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers:

F e = 26, N i = 28

)

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Which of the following has the longest

C - O

bond length? (Free

C - O

bond length in

CO

1.128 \overset{o}{A}

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 stability of complexes of

C u^{2 +}, N i^{2 +}, C o^{2 +} a n d F e^{2 +}

varies in the order?

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Which among the following is incorrect statement regarding

A = {[Co (en)_{2} {Cl}_{2}]}^{+}

and

B = {[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

The most stable ion is

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Stepwise formation constants for complex ML_2,

M + L ⇌ ML

M L + L ⇌ {ML}_{2}

are 4 and 3 respectively. Hence, overall stability constant for

M + 2 L ⇌ {ML}_{2}

is:

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

What is the overall formation equilibrium constant for the ion

{[M L_{4}]}^{2 -}

ion, given that

β_{4}

for this complex is

2.5 ⨯ 10^{13}

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

Which one of the following statements is incorrect?

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

For the complex ${ML}_{2},$ stepwise formation constants for $M + L ⇌ ML$ and $ML + L ⇌ {ML}_{2}$ are $4$ and $3$ , respectively. Hence, the overall stability constant for $M + 2 L ⇌ {ML}_{2}$ is

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

The most stable ion is

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Chemistry>Inorganic Chemistry>Coordination Compounds>Stability of Coordination Compounds

For the complex

{ML}_{2}

, stepwise formation constants for

M + L ⇌ ML

M L + L ⇌ {ML}_{2}

are,

4

and

3

, respectively. Hence, the overall stability constant for

M + L ⇌ {ML}_{2}

Of the following complex ion, the one that probably has the largest overall formation constant, Kf , is

Important Questions on Coordination Compounds

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Of the following complex ion, the one that probably has the largest overall formation constant, $K_{f}$ , is