A. pH
B. pOH
C. pKa
D. pKw
Negative log of mular concentration of H+ ions is called___________________? Read More »
Chemical Equilibrium, Chemistry McqsA. more than 7
B. less than 7
C. equal to 7
D. no effect
By the addition of base in waterpH will be_______________? Read More »
Chemical Equilibrium, Chemistry McqsA. V2O5
B. V2O5 and Pt
C. Fe
D. Pieces of Fe crystals are embedded in fused mixture of MgO Al2O3 and SiO2
Catalyst used to speed up the reaction of ammonia synthesis is________________________? Read More »
Chemical Equilibrium, Chemistry McqsA. Kc=x2/(a-x)(b-x)
B. Kc=x2/v(a-x)
C. Kc=4×2/(a-2x)2(b-x)
D. Kc=4x2v2/(a-x)(b-3x)3
Rate expression for ammonia synthesis is___________________? Read More »
Chemical Equilibrium, Chemistry McqsA. moles2dm+6
B. moles-2dm+6
C. moles+2dm-6
D. Kc may or may not have units
Unit of Kc is_______________? Read More »
Chemical Equilibrium, Chemistry McqsA. rate of forward reaction
B. rate of backward reaction
C. rate constant
D. rate co-efficient
Conversion of reactant into product in unit time is called________________? Read More »
Chemical Equilibrium, Chemistry McqsA. reversible
B. irreversible
C. spontaneous
D. non-spontaneous
Reaction which proceeds in both directions is called_______________? Read More »
Chemical Equilibrium, Chemistry McqsA. NaCI
B. Na2SO4
C. Na2CO3
D. FeCl3
Which one of the following aqueous solutions will be basic ? Read More »
Chemical Equilibrium, Chemistry McqsA. Kc is generally greaer than Kp
B. Kc is generally less than Kp
C. Kc is generally equal to Kp
D. Kc is equal to Kp if the total moles of reactants and products are equal
A. Increase of pressure
B. Increase of volume
C. Addition of catalyst
D. Decrease of temperature
Which of the following will not change the concentration of ammonia at the equilibrium ? Read More »
Chemical Equilibrium, Chemistry Mcqs