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 2022
MCQ (Single Correct Answer)
+1
-0

In which of the following compounds, an element exhibits two different oxidation states?

A
$$\mathrm{NH}_4 \mathrm{NO}_3$$
B
$$\mathrm{N}_2 \mathrm{H}_4$$
C
$$\mathrm{N}_3 \mathrm{H}$$
D
$$\mathrm{NH}_2 \mathrm{CONH}_2$$
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

All Cu(II) halides are known, except the iodide, the reason for it is that

A
$$\mathrm{Cu}^{2+}$$ oxidises iodide to iodine
B
$$\mathrm{Cu}^{2+}$$ has much more negative hydration enthalpy
C
$$\mathrm{Cu}^{2+}$$ ion has smaller size.
D
iodide is bulky ion.
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following is not true for oxidation?

A
Addition of oxygen
B
Addition of electronegative element
C
Removal of hydrogen
D
Removal of electronegative element
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

How many moles of acidified $$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$$ is required to liberate 6 moles of $$\mathrm{I}_2$$ from an aqueous solution of $$\mathrm{I}^{-}$$?

A
2
B
1
C
0.25
D
0.5
KCET Subjects