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)
1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following does not represent property stated against it?

A
$$\mathrm{CO}^{2+}<\mathrm{Fe}^{2+}<\mathrm{Mn}^{2+}$$ - Ionic size
B
$$\mathrm{Ti}<\mathrm{V}<\mathrm{Mn}$$ - Number of oxidation states
C
$$\mathrm{Cr}^{2+}<\mathrm{Mn}^{2+}<\mathrm{Fe}^{2+}$$ - Paramagnetic behaviour
D
$$\mathrm{Sc}>\mathrm{Cr}>\mathrm{Fe}$$ - Density
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which one of the following is correct for all elements from Sc to Cu?

A
The lowest oxidation state shown by them is +2
B
$$4 s$$ orbital is completely filled in the ground state
C
$$3 d$$ orbital is not completely filled in the ground state
D
The ions in +2 oxidation states are paramagnetic
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following pairs has both the ions coloured in aqueous solution? [Atomic numbers of

$$\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{Ni}=28, \mathrm{Cu}=29, \mathrm{Mn}=25]$$

A
$$\mathrm{Sc}^{3+}, \mathrm{Mn}^{2+}$$
B
$$\mathrm{Ni}^{2+}, \mathrm{Ti}^{4+}$$
C
$$\mathrm{Ti}^{3+}, \mathrm{Cu}^{+}$$
D
$$\mathrm{Mn}^{2+}, \mathrm{Ti}^{3+}$$
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

Identify the set of paramagnetic ions among the following.

A
$$\mathrm{V}^{2+}, \mathrm{Co}^{2+}, \mathrm{Ti}^{4+}$$
B
$$\mathrm{Ni}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Zn}^{2+}$$
C
$$\mathrm{Ti}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Mn}^{3+}$$
D
$$\mathrm{Sc}^{3+}, \mathrm{Ti}^{3+}, \mathrm{V}^{3+}$$
KCET Subjects