1 In the Hall process aluminium is produced by the
Last updated: 7/3/2023
1 In the Hall process aluminium is produced by the electrolysis of molten Al O3 by the following reactions How many second would it take to produce enough aluminum by the Hall process to make a case of 24 cans of aluminium soft drink if each can uses 5 0 g of Al a current of 9650 amp is employed and the current efficiency of the cell is 90 0 1 203 2 2 148 14 3 333 4 6 17 2 Contact Number 9667591930 8527521718 0 066 1 1 230 V 2 0 858 V 3 0 80 V 4 0 8274 V 5 A fuel cell develops an electrical potential from the combustion of butane at 1 bar and 298 K C4H10 g 6 502 g 4 CO2 g 5H O 1 What is E of a cell 1 4 74 V 2 0 547 V 3 4 37 V 4 1 09 V The electrolysis of acetate solution produces ethane according to reaction 2 CH3COOC H6 g 2 CO g 2e 6 The current efficiency of the process is 80 What volume of gases would be produced at 27 C and 740 torr if the current of 0 5 amp is passed through the solution for 96 45 min 1 6 0 L 2 0 60 L 3 1 365 L 4 0 91 L 2 303 RT F For cell reaction 2H g O g 2H O 1 A S298 0 32 kJ K What is the value of AH 8 H O 1 298 Given O2 g 4H aq 4e2H O 1 E 1 23 V 1 285 07 kJ mol 2 570 14 kJ mol 3 285 07 kJ mol 4 None of these 3 100 mL of 0 05 M CuSO4 aq solution was electrolyzed using inert electrodes by passing current till the pH of the resulting solution was 2 The solution after electrolysis was neutralized and then treated with excess KI and 7 formed 1 titrated with 0 04 M Na2S O3 The standard reduction potential of normal calomel electrode and reduction potential of saturated calomel electrodes are 0 27 and 0 33 volt respectively What is the concentration of CI in saturated solution of KCI Calculate the required volume in mL of Na S O3 1 112 5 mL 2 100 mL 3 125 mL 4 None of these 4 reaction 8 If the equilibrium constant for the H aq OH aq H O 1 is 10 3 at certain temperature then what is the E for the reaction 2H O 1 2e H g 2OH aq Given 1 0 1 M 2 0 01 M 3 0 001 M 4 None Copper reduces NO into NO and NO depending upon concentration of HNO3 in solution Assuming Cu 0 1 M and PNo PNO 10 bar At which concentration of HNO3 thermodynamic tendency