An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?

1F of electricity is passed through 10 L of a solution of aqueous solution of NaCl . Calculate the pH of the solution.

pH of 0.05 aqueous solution of weak acid HA (K_a=4×10^(-4)) is

A current of 2.68 A is passed for 1.0 hour through an aqueous solution of CuSO_(4) using copper electrodes. Which of the following statements is // are correct ?

A current of 2.68 A is passed for 1.0 hour through an aqueous solution of CuSO_(4) using copper electrodes. Which of the following statements is // are correct ?

A black precipitate is obtained when H2S is passed through a dilute acidic (HCI) aqueous solution containing

How much moles of sodium propionate should be added to 1L of an aqueous solution containing 0.020 mol of propionic acid to obtain a buffer solution of pH 4.75 ? What will be the pH if 0.010 mol of HCI is dissolved in the above buffer solution. Compare the last pH value with the pH of 0.010 M HCI solution. Dissociation constant of propionic acid, K_(a) , at 25^(@)C is 1.34 xx 10^(-5) .

The pK_(a1) and pK_(a2) of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of the amino acid is:

Assume that a particular amino acid has an isoelectric point of 6.0. In a solution at pH 1.0, which of the following species will predominate ?

A current strength of 96.5 A is passed for 10s through 1L of a solution of 0.1 M aqueous CuSO_(4) . Calculate the pH of the solution.