Solubility of any salt can be determined from_______________?
A. Ka
B. Kb
C. Kc
D. Ksp
Chemistry Mcqs
Addition of CH3COOH and CH3COONa gives in water_______________?
Addition of CH3COOH and CH3COONa gives in water_______________?
A. Standard solution
B. buffer solution
C. acidic buffer solution
D. both B & C
When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
A. common ion effect
B. solubility product
C. dissociation constant
D. dissociation constant for an acid
Any substance which accepts H+ is base favours the concept___________________?
Any substance which accepts H+ is base favours the concept___________________?
A. Lowrys
B. Lewis
C. Arrhenius
D. None of these
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
By the addition of base in waterpH will be_______________?
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________________________?
Catalyst used to speed up the reaction of ammonia synthesis is________________________?
A. V2O5
B. V2O5 and Pt
C. Fe
D. Pieces of Fe crystals are embedded in fused mixture of MgO Al2O3 and SiO2
Rate expression for ammonia synthesis is___________________?
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_______________?
Unit of Kc is_______________?
A. moles2dm+6
B. moles-2dm+6
C. moles+2dm-6
D. Kc may or may not have units
Conversion of reactant into product in unit time is called________________?
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