Negative log of mular concentration of H+ ions is called___________________?
Negative log of mular concentration of H+ ions is called___________________? A. pH B. pOH C. pKa D. pKw
Negative log of mular concentration of H+ ions is called___________________? A. pH B. pOH C. pKa D. pKw
By the addition of base in waterpH will be_______________? A. more than 7 B. less than 7 C. equal to 7 D. no effect
Catalyst used to speed up the reaction of ammonia synthesis is________________________? A. V2O5 B. V2O5 and Pt C. FeD. Pieces of Fe crystals are embedded in fused mixture of MgO Al2O3 and SiO2
Rate expression for ammonia synthesis is___________________? A. 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
Unit of Kc is_______________? A. moles2dm+6 B. moles-2dm+6 C. moles+2dm-6D. Kc may or may not have units
Conversion of reactant into product in unit time is called________________? A. rate of forward reaction B. rate of backward reaction C. rate constant D. rate co-efficient
Reaction which proceeds in both directions is called_______________? A. reversible B. irreversible C. spontaneous D. non-spontaneous
Which one of the following aqueous solutions will be basic ? A. NaCI B. Na2SO4C. Na2CO3 D. FeCl3
For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ? A. Kc is generally greaer than Kp…
Which of the following will not change the concentration of ammonia at the equilibrium ? A. Increase of pressure B. Increase of volumeC. Addition of catalyst D. Decrease of temperature