Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)
Chemical Equilibrium
MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
Practical Organic Chemistry
MCQ (Single Correct Answer)
1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the incorrect statement from the following.

A
A tetrahedral complex of the type $$[\mathrm{Ma}_2 \mathrm{b}_2]$$ does not show geometrical isomerism
B
Coordination entities of the type $$[\mathrm{Ma}_3 \mathrm{b}_3]$$ do not exhibit geometrical isomerism
C
Square planar complex  of the type [Mabcd] has 3 possible geometrical isomers
D
In a coordination entity of the type $$[\mathrm{Ma} 2(\mathrm{bb})_2]^{2+}$$ only the cis-isomer is optically active
2
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is diamagnetic?

A
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{F}_6\right)\right]^{3-}$$
C
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
D
$$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$$
3
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The complex $$\left[\mathrm{PtCl}_2(\mathrm{en})_2\right]^{2+}$$ ion shows

A
structural isomerism
B
geometrical isomerism only
C
optical isomerism only
D
geometrical and optical isomerism
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The blue colouration obtained from the Lassaigne's test of nitrogen is due to the formation of

A
$$\mathrm{Fe}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]_3$$
B
$$\mathrm{Fe}_2\left[\mathrm{Fe}(\mathrm{CN})_6\right]_5$$
C
$$\mathrm{K}_2\left[\mathrm{Fe}(\mathrm{CN})_6\right]_5$$
D
$$\mathrm{K}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]_3$$
COMEDK Subjects