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Catalyst It is the substance which change the rate reaction without participated in chemical reaction is called catalyst and this process is called catalysis. Iron, Aluminium , Nickel ….etc are act as catalyst in various chemical reaction. Types of catalyst :- It is of two types Homogeneous catalyst Those catalyst which are in same phase […]

Molecularity of reaction Number  of reactive molecules collide simultaneously and change into product is called molecularity of reaction. 2NH3→ N2 + 3H2    ,Molecularity=Co-efficient of reactant is 2,  So molecularity of reaction= 2 Order of reaction It is the sum total of Stoichiometry concept in the expression of rate law is called order of reaction

Value of one faraday(F) The amount of charge carried by one mole of electron is called faraday constant. OR It is that amount of electricity which deposited 1g equivalent weight of the material on cathode is called faraday constant. 1 electron has   1.6×10-19 C 6.023×1023 electron has =6.023×1023×1.6×10-19              

Colligative Properties  Properties of solution which depends upon number of particles( Atom, molecules & ions) of the solute which added in it.it does not depends upon the nature or shape of particle. There are following example of colligative properties- (1) Osmotic pressure (π) (2) Elevation of boiling point (ΔTb) (3) Depression of freezing (ΔTf) (4)