19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
When the two reactions occur at the same rate, the system reaches
Chemical equilibrium is …(X)… in nature as it consists of a …(Y)… reaction in which the reactants give product(s) and ….(Z)… reaction in which products gives the original reactants. Here, (X), (Y) and (Z) refer to
CO gas CO insolution This equilibrium is governed by
The rate of dissolution of sugar is equal is equal to rate of crystallization of sugar can be represented as
When no more solute can be dissolved in solution at a given temperature is known as
The solid-vapour equilibrium can be represented as I. I2 (solid) I2 (vapour) II. Camphor (solid) Camphor (vapour) III. NH4Cl (solid) NH4Cl (vapour) Point out the correct option(s).
Which of the following statement is correct?
For any pure liquid at 1 atm pressure (1.013 bar), the temperature at which the liquid and vapours are at equilibrium is called normal …(X)… of the liquid. Here, (X) refers to
H O l H O vap. Point out the correct statement for this equilibrium
For any pure substance at atmospheric pressure, the temperature at which the solid and liquid phases are at equilibrium is called the normal …(X)… or normal …(Y)… of the substance.
Ice and water kept in a perfectly insulated thermos flask (no exchange of heat between its contents and the surroundings) at 273 K and the atmospheric pressure are in equilibrium state and the system shows
Solid Liquid Liquid Gas Solid Gas The above examples are called
Equilibrium involving ions in aqueous solutions is called as
The stage of the system is the dynamic equilibrium in which
Equilibrium can be established for
Purification of camphor involves
H O l H O vap. In this equation, the double half arrows indicate that
Which of the following is correct for equilibrium state?
Ionic compounds in the crystalline state consist of orderly three dimensional arrangements of …X… and …Y… held together by coulombic interaction energies. In the above statement X and Y refer to
Ionic bonds will be formed more easily between elements with comparatively.
Consider the following statement, I. The formation of the positive and negative ions from the neutral atoms by loosing and gaining electrons respectively. II. The arrangement or position of the positive and negative i…
Which of the following is/are correct? I. Generally the lowest energy structure is the one with the smallest formal charges on the atoms. II. The formal charge is a factor based on a pure covalent view of bonding in w…
Assertion (A) Formal charges do not indicate real charge separation within the molecule. Reason (R) Formal charges help in the selection of the lowest energy structure from a number of possible Lewis structure for a g…
In the given structure, the formal charge on the oxygen atom of P ─ O bond is
Calculate the formal charge of C in CH4.