The correct name for the complex ion $[Co (en)_{2} Cl (ONO)]^{+}$ is

Which of the following is most likely structure of

CrCl_{3} \cdot 6 H_{2} O

, if

1/3

of total chlorine of the compound is precipitated by adding

AgNO_{3}

to its aqueous solution?

$CrCl_{3} \cdot 6 H_{2} O$
$[Cr (H_{2} O)_{3} Cl_{3}] (H_{2} O)_{3}$
$[CrCl_{2} (H_{2} O)_{4}] Cl \cdot 2 H_{2} O$
$[CrCl \cdot (H_{2} O)_{5}] Cl_{2} \cdot H_{2} O$

Topic:

Coordination Compounds

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

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A laboratory reagent imparts green colour to the flame. On heating with solid

K_{2} Cr_{2} O_{7}

and conc.

H_{2} SO_{4}

it evolves an orange red gas. Identify the reagent.

$CaCl_{2}$
$BaCl_{2}$
$CuCl_{2}$
None of the above

Topic:

The d-and f-Block Elements

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

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, components show negative deviation when

In a mixture of

A

and

B

$A - B$ interaction is stronger than $A ⟶ A$ and $B - B$ interaction
$A - B$ interaction is weaker than $A - A$ and $B - B$ interaction
$Δ V_{mix} > 0, Δ S_{mix} > 0$
$Δ V_{mix} = 0, Δ S_{mix} > 0$

Topic:

Solutions

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

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Which of the following reactions is given by only primary amines?

Reaction with $HONO$
Reaction with chloroform and alc. $KOH$
Reaction with acetyl chloride
Reaction with Grignard reagent

Topic:

Amines

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

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Practice questions from Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

The oxidation states of

Cr

, in

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

[Cr (C_{6} H_{6})_{2}]

, and

K_{2} [Cr (CN)_{2} (O)_{2} (O_{2}) (NH_{3})]

respectively are

$+ 3, + 4$ and $+ 6$
$+ 3, + 2$ and $+ 4$
$+ 3, 0$ and $+ 6$
$+ 3, 0$ and $+ 4$

Topic:

Coordination Compounds

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2018

View 14 solutions

The magnetic moment of an octahedral homoleptic Mn(II) complex is

5.9

BM. The suitable ligand for this complex is

$CN^{-}$
ethylenediamine
$NCS^{-}$
$CO$

Topic:

Coordination Compounds

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2019

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A white crystalline compound (A) swells up on heating and gives violet colour flame on burning. Its aqueous solution gives white ppt with

BaCl_{2}

. It gives white gelatinous ppt with

NH_{4} Cl

and excess of

NH_{4} OH

which dissolves in

NaOH

but reappears on boiling with conc

NH_{4} Cl

.(A) is

$Na_{2} B_{4} O_{7} \cdot 10 H_{2} O$
$CaOCl_{2}$
$K_{2} SO_{4} \cdot Al_{2} (SO_{4})_{3} \cdot 24 H_{2} O$
$CuSO_{4} \cdot 5 H_{2} O$

Topic:

Coordination Compounds

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

View solution

Type of isomerism shown by

[Cr (NH_{3})_{5} NO_{2}] Cl_{2}

optical
ionisation
geometrical
linkage

Topic:

Coordination Compounds

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

View solution

Practice questions from Coordination Compounds in the same exam

The total number of unpaired electrons present in

[Co (NH_{3})_{6}] Cl_{2}

and

[Co (NH_{3})_{6}] Cl_{3}

is ____________.

Topic:

Coordination Compounds

Exam:

JEE Mains 2021 July 22 Shift 2

View 3 solutions

Practice more questions from Coordination Compounds

The cation that does not form an amine complex with excess of ammonia is :

$Cd^{2 +}$
$Al^{3 +}$
$Cu^{2 +}$
$Ag^{+}$

Topic:

Coordination Compounds

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

View 3 solutions

will be shown by one among the following:

A magnetic moment of

1.73 BM

$[Cu (NH_{3})_{4}]^{2 +}$
$[Ni (CN)_{4}]^{2 -}$
$TiCl_{4}$
$[CoCl_{6}]^{4 -}$

Topic:

Coordination Compounds

Book:

Chemistry

Exam:

NEET 2013

View 11 solutions

Select the incorrect statement. (a)

[Ni (en)_{3}]^{2 +}

is less stable than

[Ni (NH_{3})_{6}]^{2 +}

(b) Increase in stability of the complexes due to presence of multidentate cyclic ligand is called macrocyclic effect (c) A complex ion that exchanges ligands slowly is said to be non-labile or inert (d) For a given ion and ligand, greater the charge on the metal ion, greater the stability

Topic:

Coordination Compounds

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The coordination number of

Ni^{2 +}

is 4 .

NiCl_{2} + KCN (excess) ⟶ A (cyano complex)

NiCl_{2} + conc. HCl (excess) ⟶ B (chloro complex)

The IUPAC name of

A

and

B

are

potassium tetracyanonickelate (II), potassium tetrachloronickelate (II)
tetracyanopotassiumnickelate (II), tetrachloropotassiumnickelate (II)
tetracyanonickel (II), tetrachloronickel (II)
potassium tetracyanonickel (II), potassium tetrachloronickel (II)

Topic:

Coordination Compounds

Exam:

JEE Advanced 2006

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Practice questions on similar concepts asked by Filo students

PHYSICS CHEMISTRY BIOLOGY 24 Consider the following reaction

Cl dry ether Mg \to A (i) CO_{2} (ii) H_{3} O^{+} B

Major product

B

is A. C=CC=O B. C=CC(=O)ClCC=CCO D. C=CC(=O)O

Topic:

Solid State

View solution

Which of the following ion is expected to have lowest value of molar conductance in an aqueous solution?

$Na^{+}$
$K^{+}$
$Rb^{+}$
$Cs^{+}$

Topic:

Chemical Kinetics

View solution

Consider the formation of the triiodoargentate(I) ion.

Ag^{+} + 3 I^{-} ⟶ [Ag I_{3}]^{2 -}

Would you expect an increase or decrease in the entropy of the system as the complex is formed? The standard state absolute entropy at

2 5^{\circ} C

72.68 J / K

mol for

Ag^{+}

111.3 J / K mol

for

I^{-}

, and

253.1 J / K mol

for

[AgI_{3}]^{2 -}

Calculate

Δ S^{0}

for the reaction and confirm your prediction.

Topic:

Chemistry

View solution