Chemistry
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Alcohols & Phenols
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Amines
Atomic Structure
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Carboxylic Acids
Chemical Bonding
Chemical Equilibrium
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Coordination Compounds
d & f-block Elements
Electrochemistry
Haloalkanes
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Ionic Equilibrium
Mole Concept
Organic Chemistry Basics
p-Block Elements
Periodic Table
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Redox Reactions
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States of Matter
Surface Chemistry
Thermodynamics
Q. In the complex ion [Fe(CN)6]3-, what is the oxidation state of iron? (2023)
Q. In the reaction 2Ag+ + Zn → 2Ag + Zn2+, what is the oxidation state of zinc after the reaction?
Q. In the reaction 2Fe + 3Cl2 → 2FeCl3, which element is oxidized?
Q. In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being reduced? (2020) 2020
Q. In the reaction 2Mg + O2 → 2MgO, which element is oxidized? (2021)
Q. In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens to the equilibrium when the volume of the container is decreased? (2023)
Q. In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what will happen if the volume of the container is increased? (2023)
Q. In the reaction 3H2 + N2 → 2NH3, which element is reduced? (2022)
Q. In the reaction 4Fe + 3O2 → 2Fe2O3, which element is oxidized?
Q. In the reaction A(g) + B(g) ⇌ C(g) + D(g), if the temperature is increased, what will be the effect on the equilibrium if the reaction is exothermic? (2020)
Q. In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), what effect does increasing the temperature have if the reaction is exothermic? (2020)
Q. In the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens to the equilibrium position if the pressure is increased? (2023)
Q. In the reaction Zn + CuSO4 → ZnSO4 + Cu, which species is reduced?
Q. In the reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g), what effect does increasing the pressure have? (2020)
Q. In the redox reaction 2Ag+ + Cu → 2Ag + Cu2+, which species is oxidized? (2022) 2022
Q. In the redox reaction 2Ag+ + Zn → 2Ag + Zn2+, which species is oxidized? (2021)
Q. In the redox reaction 2MnO4- + 5C2O4^2- + 16H+ → 2Mn^2+ + 10CO2 + 8H2O, what is the oxidation state of carbon in C2O4^2-?
Q. In which of the following processes is adsorption utilized? (2023)
Q. In which state of matter do particles have the highest energy? (2023)
Q. In which state of matter do particles have the least amount of energy?
Q. In which state of matter do particles move freely and are far apart? (2021)
Q. The Arrhenius equation relates which of the following? (2023)
Q. The half-life of a first-order reaction is dependent on which of the following? (2020) 2020
Q. The half-life of a first-order reaction is given by which of the following expressions? (2020)
Q. The half-life of a first-order reaction is independent of the initial concentration of the reactant. What is the expression for the half-life (t1/2) of a first-order reaction? (2020)
Q. The half-life of a first-order reaction is independent of the initial concentration of the reactant. What is the formula for the half-life (t1/2) of a first-order reaction? (2020)
Q. The Langmuir isotherm assumes that adsorption occurs at specific sites on the surface. What is the maximum coverage called? (2021)
Q. The Langmuir isotherm assumes that adsorption occurs at specific sites on the surface. What does this imply? (2020)
Q. The rate constant of a reaction is affected by which of the following? (2023)
Q. What does the term 'enthalpy' refer to? (2020)