WB JEE 2021 | Coordination Compounds Question 7 | Chemistry

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

A solution is made by a concentrated solution of Co(NO₃)₂ with a concentrated solution of NaNO₂ is 50% acetic acid. A solution of a salt containing metal M is added to the mixture, when a yellow precipitate is formed. Metal 'M' is

magnesium

sodium

potassium

zinc

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

Indicate the number of unpaired electrons in K₃[Fe(CN)₆] and K₄[Fe(CN)₆].

$${K_3}[Fe{(CN)_6}]$$	$${K_4}[Fe{(CN)_6}]$$
1	0

$${K_3}[Fe{(CN)_6}]$$	$${K_4}[Fe{(CN)_6}]$$
5	6

$${K_3}[Fe{(CN)_6}]$$	$${K_4}[Fe{(CN)_6}]$$
6	5

$${K_3}[Fe{(CN)_6}]$$	$${K_4}[Fe{(CN)_6}]$$
0	1

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

Which of the following compounds have magnetic moment identical with [Cr(H₂O)₆]³⁺ ?

[Cu(H₂O)₆]²⁺

[Mn(H₂O)₆]³⁺

[Fe(H₂O)₆]³⁺

[Mn(H₂O)₆]⁴⁺

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

Indicate the correct IUPAC name of the coordination compound shown in the figure.
WB JEE 2020 Chemistry - Coordination Compounds Question 16 English

WB JEE 2020 Chemistry - Coordination Compounds Question 16 English

Cis-dichlorotetraminochromium (III) chloride

Trans-dichlorotetraminochromium (III) chloride

Trans-tetraminedichlorochromium (III) chloride

Cis-tetraamminedichlorochromium (III) chloride

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Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry

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Periodic Table Chemical Bonding Metallurgy Hydrogen and It's Compounds Some s Block Elements Some P Block Elements d and f Block Elements Coordination Compounds

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