Buffer Solutions

JEE Main Chemistry · Ionic Equilibrium · 10 questions, latest first

• 20 mL of a solution of acetic acid required 28.4 mL of 0.1 M NaOH for its neutralization. A solution (X) was prepared by mixing…20264 April, Shift 2 · Q55
• The pH of a solution obtained by mixing 5 mL of 0.1 M NH_4 OH solution with 250 mL of 0.1 M NH_4 Cl solution is ____ ×…20264 April, Shift 1 · Q74
• Consider a weak base ' B ' of pK_b=5.699. ' x ' mL of 0.02 M HCl and ' y ' mL of 0.02 M weak base ' B ' are mixed to make 100 mL…202628 January, Shift 1 · Q56
• Which of the following mixture gives a buffer solution with pH=9.25? Given: pK_b(NH_4 OH)=4.75202622 January, Shift 2 · Q54
• One litre buffer solution was prepared by adding 0.10 mol each of NH_3 and NH_4 Cl in deionised water. The change in pH on…20257 April, Shift 2 · Q72
• Given below are two statements: Statement (I): A Buffer solution is the mixture of a salt and an acid or a base mixed in any…20248 April, Shift 2 · Q62
• The pH of an aqueous solution containing 1 M benzoic acid (pK_a=4.20) and 1 M sodium benzoate is 4.5. The volume of benzoic acid…202430 January, Shift 2 · Q83
• 20 mL of 0.1 M NaOH is added to 50 mL of 0.1 M acetic acid solution. The pH of the resulting solution is ____ × 10^-2 (Nearest…202313 April, Shift 2 · Q85
• A litre of buffer solution contains 0.1 mole of each of NH_3 and NH_4 Cl. On the addition of 0.02 mole of HCl by dissolving…202325 January, Shift 1 · Q55
• The dissociation constant of acetic acid is x × 10^-5. When 25 mL of 0.2 M CH_3 COONa solution is mixed with 25 mL of 0.02 M CH_3…202324 January, Shift 1 · Q55