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 2022
MCQ (Single Correct Answer)
+1
-0

In which of the following changes, entropy decreases?

A
Rusting of iron
B
Melting of ice
C
Vaporisation of camphor
D
Crystallisation of sucrose from solution
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The difference between heat capacity at constant pressure and heat capacity at constant volume is

A
$$R$$
B
$$\frac{R}{T}$$
C
$$\frac{R}{V}$$
D
$$1$$
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

When the expansion of a gas occurs in vacuum and at constant volume, then

A
$$\Delta U=qV$$
B
$$\Delta U=qp$$
C
$$\Delta H=qV$$
D
$$\Delta H=qp$$
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The change in the energy of system if 500 cal of heat energy are added to a system and system does 350 cal of work on the surroundings will be

A
$$-$$150 cal
B
+150 cal
C
+850 cal
D
$$-$$850 cal
COMEDK Subjects