19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
H O l H O vap. Point out the correct statement for this equilibrium
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
Which of the following statement is correct?
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).
When no more solute can be dissolved in solution at a given temperature is known as
The rate of dissolution of sugar is equal is equal to rate of crystallization of sugar can be represented as
CO gas CO insolution This equilibrium is governed by
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
When the two reactions occur at the same rate, the system reaches
“Use of isotope (deuterium) in the formation of ammonia clearly indicates that chemical reactions do not reach a state of dynamic equilibrium in which the rates of forward and reverse reactions are unequal and there i…
Equilibrium can be attained
In chemical reaction A B, the system will be known in equilibrium when
According to law of mass action rate of a chemical reaction is proportional to
The rate constant for forward and backward reactions of hydrolysis of ester are 1.1 × 10–2 and 1.5 × 10–3 per minute respectively. Equilibrium constant for the reaction is CH3COOC2H5 + H2O CH3COOH + C2H5OH
The equilibrium constant in a reversible chemical reaction at a given temperature
Equilibrium constant for the reaction : 2NOg Cl g 2NOCl g is correctly given by the expression (a) [2 NOCl] K [2 NO][Cl ] (b) [NOCl] K [NO] [Cl ] (c) [NO] [Cl ] K [NO] [Cl ] (d) [NO] [Cl] K [NOCl]
Equilibrium constant for the reaction H I 2HI is correctly given by the expression (a) c [H ][I ] K [HI] (b) c [H ][I ] K [2 HI] (c) c [H ][I ] K [HI] (d) c [HI] K [H ][I ]
The active mass of 64 g of HI in a two litre flask would be
A mixture of reactants and products in the equilibrium state is called
The equilibrium equation is also known as the …X… because in the early days of chemistry, concentration was called …Y… Here, (X) and (Y) refer to
For a reaction, H g I g 2HI g c HI g K H g I g Point out the correct statement.
At a given temperature, the product of …X… of the reaction products raised to the respective stoichiometric of coefficient in the balanced chemical equation …Y… by the product of concentrations of the reactants raised…
Molar concentration of different species is indicated by enclosing these in square bracket and it is implied that these are
The following concentrations were obtained for the formation of NH3 from N2 and H2 at equilibrium at 500 K. N 1.5 10 M. x H 3.0 10 M x and NH 1.2 10 M. x Calculate the equilibrium constant. (a) 1.08 10 x (…
At equilibrium the concentrations of N 3.0 10 M x , O 4.2 10 M x and NO 2.8 10 M x in a sealed vessel at 800K. What will be Kc for the reaction, N g O g 2NO g ?