Ionisation of Weak Acids and Bases

JEE Main Chemistry · Ionic Equilibrium · 4 questions, latest first

• Consider the dissociation equilibrium of the following weak acid HA ⇌ H^+(aq)+A^-(aq) If the pKa of the acid is 4, then the pH of…202628 January, Shift 1 · Q75
• The pH of a 0.01 M weak acid HX(K_a=4 × 10^-10) is found to be 5. Now the acid solution is diluted with excess of water so that…20254 April, Shift 1 · Q72
• A weak acid HA has degree of dissociation x. Which option gives the correct expression of (pH - pK_a )?202528 January, Shift 1 · Q55
• If 1 mM solution of ethylamine produces pH=9, then the ionization constant (K_b) of ethylamine is 10^-x. The value of x is ____…202523 January, Shift 1 · Q72