Cu 2 + and Cd 2 + are distinguished through formation of complex [Cu(CN) 4 ] 3– and [Cd(CN) 4 ] 2– , when H 2 S gas is passed :

There is yellow precipitate due to CdS

There is black precipitate due to CuS

There is blue precipitate due to CuS

There is precipitation of CuS and CdS together

Cu 2 + and Cd 2 + are distinguished through formation of complex [Cu(CN) 4 ] 3– and [Cd(CN) 4 ] 2– , when H 2 S gas is passed :

There is yellow precipitate due to CdS

EASY

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Cu²⁺ and Cd²⁺ are distinguished through formation of complex [Cu(CN)₄]^3– and [Cd(CN)₄]^2–, when H₂S gas is passed :

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Important Questions on Coordination Compounds

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Wilkinson catalyst is

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Given below are two statements:
Statement I : The identification of ${Ni}^{2 +}$ is carried out by dimethyl glyoxime in the presence of ${NH}_{4} OH$ .

Statement II :The dimethyl glyoxime is a bidentate neutral ligand.

In the light of the above statements, choose the correct answer from the options given below:

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Which one of the following complexes is violet in colour?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Which of the following is not an organometallic compound?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

The electrolytes usually used in the electroplating of gold and silver, respectively, are:

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Which one of the following platinum complexes is used as anticancer drug?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

The aqueous solution of which of the following complex has the least conductivity under identical conditions.

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Mention one analytical application of co-ordination compound.

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Which of the following complexes is used as an anticancer agent?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Urea reacts with water to form

A

which will decompose to form

B

B

when passed through

{Cu}^{2 +} (aq)

, deep blue colour solution

C

is formed. What is the formula of

C

from the following?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Which of the following is NOT a metal ion indicator?

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

The compound that inhibits the growth of tumors is:

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

White precipitate of

AgCl

dissolves in aqueous ammonia solution due to formation of

EASY

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

In the silver plating of copper,

K [Ag {(CN)}_{2}]

is used instead of

{AgNO}_{3}

. The reason is

HARD

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Addition of excess aqueous ammonia to a pink coloured aqueous solution of

M C l_{2} . 6 H_{2} O (X)

and

N H_{4} C l

gives an octahedral complex Y in the presence of air. In aqueous solution, complex Y behaves as 1 : 3 electrolyte. The reaction of X with excess HCl at room temperature results in the formation of a blue coloured complex Z. The calculated spin only magnetic moment of X and Z is 3.87 B.M., whereas it is zero for complex Y.

Among the following options, which statement(s) is(are) correct ?

MEDIUM

Chemistry>Inorganic Chemistry>Coordination Compounds>Importance and Applications of Coordination Compounds

Match List I with List II

LIST-I Complex		LIST-II Colour
A.	$Mg ({NH}_{4}) {PO}_{4}$	I.	brown
B.	$K_{3} [Co {({NO}_{2})}_{6}]$	II.	white
C.	$MnO {(OH)}_{2}$	III.	yellow
D.	${Fe}_{4} {[Fe {(CN)}_{6}]}_{3}$	IV.	blue