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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