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

For the reaction, H$$_2$$(g) + I$$_2$$(g) $$\rightleftharpoons$$ 2HI(g) the position of equilibrium can be shifted to the right by

A
addition of Hi
B
addition of both I$$_2$$ and HI
C
increasing temperature
D
addition of I$$_2$$
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The equilibrium constant, $$K_C$$ for $$3C_2H_2(g) \rightleftharpoons C_6H_6(g)$$ is 4 L$$^2$$mol$$^{-2}$$. If the equilibrium concentration of benzene is 0.5 mol$$^{-1}$$ than what is the value of concentration of ethylene?

A
0.05 mol/L
B
0.5 mol/L
C
0.25 mol/L
D
0.025 mol/L
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

In the equilibrium, $$AB\rightleftharpoons A+B$$, if the equilibrium concentration of A is double, then equilibrium concentration of B will be

A
half
B
twice
C
$$\frac{1}{4}$$th
D
$$\frac{1}{8}$$th
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

For the equilibrium,

2NOCl(g) $$\rightleftharpoons$$ 2NO(g) + Cl$$_2$$(g),

the value of the equilibrium constant, $$K_C$$ is 3.75 $$\times$$ 10$$^{-6}$$ at 1069 K. The value of $$K_p$$ for the reaction at this temperature will be

A
0.133
B
1.242
C
0.033
D
0.00033
COMEDK Subjects