Contribute & Test Your Skills
- Some Basic Concepts in Chemistry
- States of Matter
- Atomic Structure
- Chemical Bonding & Molecular Structure
- Chemical Thermodynamics
- Solutions
- Equilibrium
- Redox Reactions & Electrochemistry
- Chemical Kinetics
- Surface Chemistry
- Purification & Characterisation of Organic Compounds
- Hydrocarbons
- Chemistry in Everyday Life
- Principles Related to Practical Chemistry
- Organic Compounds Containing Halogens
- Organic Compounds Containing Oxygen
- Organic Compounds Containing Nitrogen
- Alcohol, phenol & Ether
- Organic Chemistry Principles
- Biomolecules & Polymers
- Classification of Elements & Periodicity in Properties
- Hydrogen
- S & P block Element
- D & F - Block Elements
- Co-Ordination Compounds
- Environmental Chemistry
- General Principles & Processes of Isolation of Metals
- JEE Chemistry Discussions
- Aldehydes, Ketones & Carboxylic Acid
- Nuclear Chemistry
- Atom & Molecules
- Redox Reaction
- Aromatic Hydrocarbons
- Halogen Derivatives
- Carboxylic Acids & Derivatives
- Nitrogen Containing Compounds
- Bio Molecules
- Chemistry In Action
- Extraction of Metals
- Chemical Analysis
- Ores, Minerals and Metallurgical Extraction
Popular Questions
- The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of the acid is
- chenge in volume of the system does not alter the number of moles in which of the following equilibrium:
- For a concentrated solution of a weak electrolyte AxBy of concentration C, the degree of dissociation α is given as
- If α is the degree of ionization, C the concentration and of a weak electrolyte and Ka the acid ionization constant, then the c..
- 0.2 molar solution of formic acid is ionized 3.2%. Its ionization constant is
- assertion : Equilibrium constant has meaning only when the corresponding balanced chemical equation is given. Reaction : Its value..
- 120 gm of urea are present in 5 litre solution, the active mass of urea is
- the equilibrium constants Kp1 and Kp2 for the reactions
- Phosphorus pentachloride dissociates as follows,
- An electrolyte
- Assertion : On cooling a freezing mixture, colour of the mixture turns to pink from deep blue for a reaction. Reason : Reaction ..
- Which will not affect the degree of ionization
- Acetic acid is a weak electrolyte because
- Dissociation constant of a weak acid is decreased by
- The law of mass action was enunciated by
- the equilibrium constant for the reaction:
- In any chemical reaction, equilibrium is supposed to be established when
- In chemical reaction A - B , the system will be known in equilibrium when
- Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
- 5 moles of SO2 and 5 moles of O2 are allowed to react. At equilibrium, it was found that 60 per of SO2 is used up. If the total pr..
- Which of the following is non - electrolyte
- a vessel at 1000 k constant Co2 with a pressure of 0.5
- The free energy for a reversible reaction at equilibrium is
- Ammonium hydroxide is a weak base because
- A reversible chemical reaction is having two reactants in equilibrium. If the concentration of the reactants are doubled, then the..
- The colour of an electrolyte solution depends on
- Ionisation depends upon
- If the value of KC for an equilibrium reactions is 10^-4, then the reaction is in
- Which of the following conditions represents an equilibrium
- All reactions which have chemical distintegration
- Theory of active mass indicates that the rate of chemical reaction is directly proportional to the
- Chemical equations convey quantitative information on the
- Which is the generally true about ionic compounds
- Final pressure is higher than initial pressure of a container filled with an ideal gas at constant temperature. What will be the v..
- The number of gram molecules of a substance present in unit volume is termed as
- A 20 litre contact at 400 K contact C02 (g) at pressure 0.4 atm and an excess of Sr0 (neglected the volume of solid Sr0 ). the vol..
- If for N2 + 3H2 -><- 2NH3, keq = 1.6 * 10-5, then the value of keq for the reaction NH3 -><- 1/2 N2 + 3/2 H2 will be
- Theory of ionization was given by
- which of the following statements regarding a chemical equilibrium is wrong
- According to law of mass action rate of a chemical reaction is proportional to
