1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
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
A
magnesium
B
sodium
C
potassium
D
zinc
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Indicate the number of unpaired electrons in K3[Fe(CN)6] and K4[Fe(CN)6].
A
$${K_3}[Fe{(CN)_6}]$$ $${K_4}[Fe{(CN)_6}]$$
1 0
B
$${K_3}[Fe{(CN)_6}]$$ $${K_4}[Fe{(CN)_6}]$$
5 6
C
$${K_3}[Fe{(CN)_6}]$$ $${K_4}[Fe{(CN)_6}]$$
6 5
D
$${K_3}[Fe{(CN)_6}]$$ $${K_4}[Fe{(CN)_6}]$$
0 1
3
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Which of the following compounds have magnetic moment identical with [Cr(H2O)6]3+ ?
A
[Cu(H2O)6]2+
B
[Mn(H2O)6]3+
C
[Fe(H2O)6]3+
D
[Mn(H2O)6]4+
4
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Indicate the correct IUPAC name of the coordination compound shown in the figure.
WB JEE 2020 Chemistry - Coordination Compounds Question 16 English
A
Cis-dichlorotetraminochromium (III) chloride
B
Trans-dichlorotetraminochromium (III) chloride
C
Trans-tetraminedichlorochromium (III) chloride
D
Cis-tetraamminedichlorochromium (III) chloride
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