The pH of a buffer solution of 0.1 M CH_(3)COOH and 0.1 MCH_(3)COONa is (pK_(a)CH_(3)COOH =4.745)
Which out of each pair is expected to be a stornger acid ? (a) CH_(3)COOH" or "HCOOH , (b) CH_(3)COOH" or "C_(6)H_(5)OH (c) C_(6)H_(5)COOH" or "HCOOH , (d) CH_(2)(Cl)COOH" or "CH_(2)(Br)COOH
Calculate the pH of a solution containing 0.1 M CH_(3)COOH and 0.15 M CH_(3)COO^(-) . (K_(a) "of" CH_(3)COOH=1.8xx10^(-5))
Neglecting the liquid-liquid junction potential, calculate the emf of the following cell at 25^(@)C H_(2) (1 atm)|0.5 M HCOOH|| 1M CH_(3)COOH | (1 atm) H_(2) K_(a) " for " HCOOH and CH_(3) COOH are 1.77 xx 10^(-4) and 1.8 xx 10^(-5) respectively.
Arrange the following in the decresing order of acidic strength : (a) H_2 O , CH_3 OH , C_6 H_5 ,OH ,CH _2 COOH (b) CH_3 CH_2 COOH ,HOCH, C_6 H_5COOH ,ClCH_2 COOH
The pH of the solution obtained on neutralisation of 40 mL 0.1 M NaOH with 40 ml 0.1 M CH_(3)COOH is