A current of 6 amperes is passed through `AICI_3` solution for 15 minutes using Pt electrodes, when 0.504 g of Al is produced. What is the molar mass of Al ?

If a current of 0.6 ampere is passed through a wire having resistance 15 Omega for 2 minute, calculate the heat generated in the wire in joule.

Three electrolytic cells A, B, C containing solution of ZnSO_4, AgNO_3 and CuSO_4 , respectively are connected in series. A. steady current of 1.5 amperes was passed through them until 1.45 g of silver deposited at the cathode of cell B. How long did the current flow? What mass of copper and of zinc were deposited ?

When a current of 3A is passed through an aqueous solution of a palladium salt, the mass of Pd metal deposited in 1 hour is 2.98 g. If the metal's atomic mass is 106.4, the valency of palladium is _________.

The amount of electricity that should be passed through CuSO_(4) solution with Cu electrodes to deposit 0.1 g atom of Cu is _________.

The same quantity of electricity is passed through two cells one containing AlCl3 solution and the other containing ZnCl2 solution. If 0.04 mole of Al is produced in the first cell, the number of moles of Zn produced in the second cell will be

Solve the following examples/ numerical problems. Find the heat produced in joule if a current 0.1 A is passed through a coil of resistance 50 ohm. for two minutes . Keeping other conditions the same if the length ofthe wire is reduced 1/4 th of the original length ( by cutting the wire). What will be the heat produced?

The passage of 0.95 A for 40 minutes deposited 0.7493 g of Cu from CuSO_4 solution. Calculate the molar mass of Cu.

The passage of 0.95 A for 40 minutes deposited 0.7493 g of Cu from CuSO_4 solution. Calculate the molar mass of Cu.

If 0.5 amp current is passed through acidified silver nitrate solution for 10 minutes. The mass of silver deposited on cathode, is (eq. wt. of silver nitrate = 108 ).

During electrolysis of molten CaCl_(2) 0.005 A current is passed through the cell for 200 s. The mass of product formed at cathode (molar mass of Ca =40 g mol^(-1) ) will be__________.