The addition of a catalyst to the reaction system__________________?
(A) Increases the rate of forward reaction only
(B) Increases the rate of reverse reaction
(C) Increases the rate of forward but decreases the rate of backward reaction
(D) Increases the rate of forward as well as backward reaction equally
Which of the following type of reaction is 3rd order reaction_________________?
(A) 2N2O5 = 2N2O4 + O3
(B) NO + O3 ? NO2 + O2
(C) 2FeCl3 + 6KI ? 2FeI2 + 6KCl + I2
(D) None of these
Which statement is incorrect about catalyst___________________?
(A) it is used in smaller amount
(B) decrease activation energy
(C) specific in action
(D) it affects specific rate constant
Which set of elements is listed in order of increasing ionization energy ?
(A) Sb < As < S < P < Cl
(B) Cl < Sb < P < As < S
(C) As < Cl < P < S < Sb
(D) Sb < As < Cl < S < P
Elements in the same vertical group of the periodic table have same_______________?
(A) Number of valence electrons
(B) Atomic number
(C) Atomic mass
(D) Atomic volume
For determining the order of reaction we use__________________?
(A) Refractometric method
(B) Dilatometric method
(C) Optical activity method
(D) Half life method
A catalyst can not effect__________________?
(A) Products
(B) Chemical equilibrium
(C) Reactants
(D) both A & B
Each catalyst has_________________?
(A) Specificity
(B) Special structure
(C) Its own Ea
(D) all of above