Types of Comp...

Types of Complexes

Trending Questions

Q. Ligand in a complex compound

Accept electron pair
Donate electron pair
Neither accept nor donate
Both a and b

Q. In

[C r (C O)_{6}]

how many

C O

groups can be replaced by NO?

All the $6 C O$ groups are replaced by $6 N O$ groups
All the $4 C O$ groups are replaced by $6 N O$ groups
All the $2 C O$ groups are replaced by $3 N O$ groups
All the $6 C O$ groups are replaced by $4 N O$ groups

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Q. In the complexes

[F e (C N)_{6}]^{3 -} and [C o (e n)_{3}]^{3 +}

, the coordination number of iron and cobalt are respectively (en = ethylenediamine):

$6 and 6$
$12 and 6$
$6 and 3$
$3 and 3$

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Q. The

E A N

of platinum in potassium hexachloroplatinate (IV) is:

$36$
$46$
$86$
$84$

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Q. Choose the correct option(s) regarding synergic bond:

It is formed by the back donation of a metal atom/ion to the ligand.
The internal bond length of a ligand and the metal-ligand bond length does not vary due to the synergic bonding.
It is a $σ$ -bond formed between a metal atom/ion and a ligand.
All of the above.

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Q. Which have Vont Hoff factor same as

K_{4} [F e (C N)_{6}]

$A l_{2} (S O_{4})_{3}$
$M g (N O_{3})_{2}$
$C a C l_{2}$
$N a N O_{3}$

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Q. '

n

' factor for

S O_{2}

F e S_{2} + O_{2} ⟶ F e_{2} O_{3} + S O_{2}

, is :

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Q. Arrange

[F e (C N)_{6}]^{4 -}

[F e (C N)_{6}]^{3 -}

[N i (C N)_{4}]^{2 -}

and

[N i (H_{2} O)_{4}]^{2 +}

in increasing order of magnetic moment.

$[N i (H_{2} O)_{4}]^{2 +}$ < $[F e (C N)_{6}]^{4 -}$ = $[N i (C N)_{4}]^{2 -}$ < $[F e (C N)_{6}]^{3 -}$
$[F e (C N)_{6}]^{4 -}$ < $[F e (C N)_{6}]^{3 -}$ = $[N i (C N)_{4}]^{2 -}$ < $[N i (H_{2} O)_{4}]^{2 +}$
$[F e (C N)_{6}]^{4 -}$ = $[N i (C N)_{4}]^{2 -}$ < $[F e (C N)_{6}]^{3 -}$ < $[N i (H_{2} O)_{4}]^{2 +}$
$[F e (C N)_{6}]^{4 -}$ < $[F e (C N)_{6}]^{3 -}$ < $[N i (C N)_{4}]^{2 -}$ = $[N i (H_{2} O)_{4}]^{2 +}$

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Q. Select correct answer:

(I)

K F

combines with

H F

to form

K H F_{2}

. The compound contains the species:
(a)

K^{+}, F^{-}

and

H^{+}

(b)

K^{+}, F

and

H F

(c)

K^{+}

and

[H F_{2}]^{-}

(d)

[K H F]^{+}

and

F^{-}

(II) Which compound is formed when excess of

K C N

is added to aqueous solution of copper sulphate?
(a)

C u (C N)_{2}

(b)

K_{2} [C u (C N)_{4}]

(c)

K [C u (C N)_{2}]

(d)

K_{3} [C u (C N)_{4}]

(I) $(a)$ (II) $(a)$
(I) $(b)$ (II) $(c)$
(I) $(c)$ (II) $(d)$
(I) $(d)$ (II) $(b)$

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Q. Among the following the strongest base is

$C_{6} H_{5} N H_{2}$
$p - N O_{2} C_{6} H_{4} N H_{2}$
$m - N O_{2} C_{6} H_{4} N H_{2}$
$C_{6} H_{5} C H_{2} N H_{2}$

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Q. Coordination complex is classified into positive, negative and neutral complex based on the

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Q. In

[C r (C O)_{6}]

how many

C O

groups can be replaced by NO?

All the $6 C O$ groups are replaced by $6 N O$ groups
All the $4 C O$ groups are replaced by $6 N O$ groups
All the $2 C O$ groups are replaced by $3 N O$ groups
All the $6 C O$ groups are replaced by $4 N O$ groups

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Q. Polyatomic atom

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Q. Prussian blue is formed when :

Ferrous sulphate reacts with $F e C l_{3}$ .
Ferric sulphate reacts with $K_{4} [F e {(C N)}_{6}]$ .
Ferrous ammonium sulphate reacts with $F e C l_{3}$ .
Ammonium stilphate reacts with $F e C l_{3}$ .

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