Kc value has_______________?
A. No units
B. Units
C. Both A & B
D. None
Chemical Equilibrium
Conjugated base of a weak acid is_________________?
Conjugated base of a weak acid is_________________?
A. weak
B. strong
C. moderately weak
D. unstable
Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
A. buffer solution
B. normal solution
C. standard solution
D. neutral solution
Which one of the following is a buffer solution ?
Which one of the following is a buffer solution ?
A. brine
B. blood
C. glue
D. solution of CuSO4
Equilibrium state is achieved quickly by the addition of ________________?
Equilibrium state is achieved quickly by the addition of ________________?
A. reactants
B. acid
C. base
D. catalyst
By decreasing the pressure the reaction will go to that direction where_________________?
By decreasing the pressure the reaction will go to that direction where_________________?
A. volume is decreased
B. volume increased
C. heat absorbed
D. no. of moles of specie decreased
Solubility of any salt can be determined from_______________?
Solubility of any salt can be determined from_______________?
A. Ka
B. Kb
C. Kc
D. Ksp
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