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The following optical isomerism in octahedral complex with bidentate ligand can be represented as:

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Important Questions on Coordination Compounds

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Which of the following complexes will show geometrical isomerism?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Complex

[C o {(e n)}_{2} C l_{2}] C l

has ........ number of possible isomers. (en = ethylenediamine)

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The correct statement on the isomerism associated with the following complex ions.

(a)

{[N i {(H_{2} O)}_{5} N H_{3}]}^{2 +}

(b)

{[N i {(H_{2} O)}_{4} {(N H_{3})}_{2}]}^{2 +}

and

(c)

{[N i {(H_{2} O)}_{3} {(N H_{3})}_{3}]}^{2 +}

is:

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Consider the following reaction and statements:

{[Co {({NH}_{3})}_{4} {Br}_{2}]}^{+} + {Br}^{-} \to [Co {({NH}_{3})}_{3} {Br}_{3}] + {NH}_{3}

(i) Two isomers are produced if the reactant complex ion is a cis-isomer.

(ii) Two isomers are produced if the reactant complex ion is a trans-isomer.

(iii) Only one isomer is produced if the reactant complex ion is a trans-isomer.

(iv) Only one isomer is produced if the reactant complex ion is a cis-isomer.

The correct statements are

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The molecular formula of diphenyl methane Question Image

C_{13} H_{12}

.

How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

An octahedral complex with molecular composition M.5NH₃.Cl.SO₄ has two isomers, A and B. The solution of A gives a white precipitate with AgNO₃ solution and the solution of B gives white precipitate with BaCl₂ solution .The type of isomerism exhibited by the complex is :

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Which of the following complex species is not expected to exhibit optical isomerism?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The one that will show optical activity is
(

en =

ethane

- 1, 2 -

diamine)

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

A reaction of cobalt

(III)

chloride and ethylenediamine in a

1 : 2

mole ratio generates two isomeric products

A

(violet-coloured) and

B

(green-coloured).

A

can show optical activity, but,

B

is optically inactive. What type of isomers do

A

and

B

represent?

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The total number of isomers for a square planar complex:

[MCl (F) ({NO}_{2}) (SCN)]

is:

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Which one of the following complexes shows optical isomerism? (en=ethylendiamine)

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

What is the type of isomerism shown by the complex

[{CoCl}_{2} {(en)}_{2}]

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Total number of cis

N - M n - C l

bond angles (that is,

M n - N

and

M n - C l

bonds in cis positions) present in a molecule of cis-

[M n {(e n)}_{2} {C l}_{2}]

complex is _________

(e n = {N H}_{2} {C H}_{2} {C H}_{2} {N H}_{2})

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is (are)

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The species that can have a trans-isomer is:

(e n = e t h a n e - 1, 2 - d i a m i n e, o x = o x a l a t e)

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The isomer(s) of

[C o {(N H_{3})}_{4} C l_{2}]

that has/ have a

C l - C o - C l

angle of

90^{o},

is/are:

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The complex that can show

f a c

- and

m e r

-isomers is:

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The correct option(s) regarding the complex

{[Co (en) {({NH}_{3})}_{3} (H_{2} O)]}^{3 +}

is (are)

(en

= H_{2} {NCH}_{2} {CH}_{2} {NH}_{2}

)

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

The number of geometric isomers that can exist for square planar

{[P t (C l) (p y) (N H_{3}) (N H_{2} O H)]}^{+}

is (py = pyridine):

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Isomerism in coordination compounds

Which one of the following has an optical isomer? (en-enthylenediamine)

The following optical isomerism in octahedral complex with bidentate ligand can be represented as:

Important Questions on Coordination Compounds

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