Home › TS EAPCET (Engineering) › Chemistry › Chemical Equilibrium and Acids-Bases › A weak acid, weak base salt solution has pH abov…
A weak acid, weak base salt solution has pH above 7 when pKa minus pKb is:
Aundefined
Bpositive
Cnegative
Dzero
Answer & Solution
Correct answer: B. positive
In pH = 7 + ½(pKa - pKb), a positive difference adds to 7.
Related questions
A catalyst affects a reversible reaction by:Which change alters the numerical value of Kc?In dilute solutions (below 0.01 M), the activity of H+ equals its:Activity of the hydrogen ion is a quantity that:The extent of dissociation of an acid depends on the strength and what of the H-A bond?The reaction quotient changes on adding a gas only if the gas is:At constant temperature, compressing a gas mixture to half its volume makes total pressureAmmonium hydroxide is a weak base with Kb of about: