Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)Atomic Structure
MCQ (Single Correct Answer)States of Matter
MCQ (Single Correct Answer)Thermodynamics
MCQ (Single Correct Answer)Chemical Equilibrium
MCQ (Single Correct Answer)Ionic Equilibrium
MCQ (Single Correct Answer)Liquid Solution
MCQ (Single Correct Answer)Redox Reactions
MCQ (Single Correct Answer)Surface Chemistry
MCQ (Single Correct Answer)Solid State
MCQ (Single Correct Answer)Electrochemistry
MCQ (Single Correct Answer)Chemical Kinetics
MCQ (Single Correct Answer)Nuclear Chemistry
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)s-Block Elements
MCQ (Single Correct Answer)p-Block Elements
MCQ (Single Correct Answer)d and f Block Elements
MCQ (Single Correct Answer)Metallurgy
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)Isomerism
MCQ (Single Correct Answer)Hydrocarbons
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)Polymers
MCQ (Single Correct Answer)Biomolecules
MCQ (Single Correct Answer)Chemistry in Everyday Life
MCQ (Single Correct Answer)Practical Organic Chemistry
MCQ (Single Correct Answer)1
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
For a reaction of the type, $$2 \mathrm{X}+\mathrm{Y} \rightarrow \mathrm{A}+\mathrm{B}$$, the following is the data collected:
| Experiment | $$\mathrm{[X]}$$ | $$\mathrm{[Y]}$$ | Initial rate of formation of A |
|---|---|---|---|
| 1 | 0.2 | 0.2 | $$12.0\times10^{-3}$$ |
| 2 | 0.6 | 0.4 | $$\mathrm{14.4\times10^{-2}}$$ |
| 3 | 0.6 | 0.8 | $$5.76\times10^{-1}$$ |
| 4. | 0.8 | 0.2 | $$\mathrm{4.8\times10^{-2}}$$ |
What is the overall order of the reaction?
2
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Match the details given in Column I with those given in Column II
| S.No. | Column I | S.No. | Column II |
|---|---|---|---|
| A | For complex reactions order is determined by | P | Rate of reaction. |
| B | For Zero order reaction unit of $\mathrm{k}$ is same as that of | Q | Slope $$=k/2.303$$ |
| C | Mathematical expression which gives relationship between rate of reaction and concentrations of reactants is called | R | Slowest rate determining step. |
| D | For a first order reaction plot of $$\mathrm{\log \left[R_0\right] /[R]}$$ vs time gives | S | Rate law. |
3
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Given below are graphs showing the variation in velocity constant with temperature on Kelvin scale. Identify the graph which represents Arrhenius equation.
4
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The rate constant for a First order reaction at $$560 \mathrm{~K}$$ is $$1.5 \times 10^{-6}$$ per second. If the reaction is allowed to take place for 20 hours, what percentage of the initial concentration would have converted to products?
Questions Asked from MCQ (Single Correct Answer)
COMEDK Subjects
Physics
Mechanics
Optics
Electromagnetism
Chemistry
Physical Chemistry
Inorganic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry