Physical Chemistry
Some Basic Concepts of Chemistry
Numerical MCQ (Single Correct Answer)
Structure of Atom
Numerical MCQ (Single Correct Answer)
Redox Reactions
Numerical MCQ (Single Correct Answer)
Gaseous State
Numerical MCQ (Single Correct Answer)
Chemical Equilibrium
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Ionic Equilibrium
Numerical MCQ (Single Correct Answer)
Solutions
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Thermodynamics
Numerical MCQ (Single Correct Answer)
Electrochemistry
Numerical MCQ (Single Correct Answer)
Chemical Kinetics and Nuclear Chemistry
Numerical MCQ (Single Correct Answer)
Solid State
Numerical MCQ (Single Correct Answer)
Surface Chemistry
Numerical MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table & Periodicity
Numerical MCQ (Single Correct Answer)
Chemical Bonding & Molecular Structure
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Isolation of Elements
Numerical MCQ (Single Correct Answer)
Hydrogen
Numerical MCQ (Single Correct Answer)
s-Block Elements
Numerical MCQ (Single Correct Answer)
p-Block Elements
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
d and f Block Elements
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Coordination Compounds
Numerical MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
Basics of Organic Chemistry
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Hydrocarbons
Numerical MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
Numerical MCQ (Single Correct Answer)
Alcohols, Phenols and Ethers
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Compounds Containing Nitrogen
Numerical MCQ (Single Correct Answer)
Polymers
Numerical MCQ (Single Correct Answer)
Biomolecules
Numerical MCQ (Single Correct Answer)
Chemistry in Everyday Life
Numerical MCQ (Single Correct Answer)
Practical Organic Chemistry
Numerical MCQ (Single Correct Answer)
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1
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
The number of unpaired d-electrons in $$\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$$ is ________.
A
B
2
C
1
D
4
2
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
A first row transition metal in its +2 oxidation state has a spin-only magnetic moment value of $$3.86 \mathrm{~BM}$$. The atomic number of the metal is
A
22
B
23
C
26
D
25
3
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Number of complexes from the following with even number of unpaired "$$\mathrm{d}$$" electrons is ________ $$[\mathrm{V}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Cr}(\mathrm{H}_2 \mathrm{O})_6]^{2+},[\mathrm{Fe}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Ni}(\mathrm{H}_2 \mathrm{O})_6]^{3+},[\mathrm{Cu}(\mathrm{H}_2 \mathrm{O})_6]^{2+}$$ [Given atomic numbers: $$\mathrm{V}=23, \mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Ni}=28 \mathrm{Cu}=29$$]
A
1
B
5
C
2
D
4
4
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
The correct sequence of ligands in the order of decreasing field strength is :
A
$$\mathrm{NCS}^{-}>\mathrm{EDTA}^{4-}>\mathrm{CN}^{-}>\mathrm{CO}$$
B
$$\mathrm{CO}>\mathrm{H}_2 \mathrm{O}>\mathrm{F}^{-}>\mathrm{S}^{2-}$$
C
$$\mathrm{S}^{2-}>{ }^{-} \mathrm{OH}>\mathrm{EDTA}^{4-}>\mathrm{CO}$$
D
$${ }^{-} \mathrm{OH}>\mathrm{F}^{-}>\mathrm{NH}_3>\mathrm{CN}^{-}$$
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Questions Asked from Coordination Compounds (MCQ (Single Correct Answer))
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