Fig .7.2 Shown an eletrolyte AgCl throu...

Fig .7.2 Shown an eletrolyte AgCl through which current is passes it is observed that 2.68 g of silver is deposited in 10 minutes on the cathode Find the heat devel- oped in the `20Omega` resistor during this period .Atomic mass of silver is 107 .9.

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Figure, shows an electrolyte of AgCI through which a current is passed. It is observed that 2.68g of silver is deposited in 10 minutes on the cathode. Find the heat developed in the 20 Omega resistor during this period. Atomic weight of silver is 107.9 g mol^(-1) . (Figure)

Find the amount of silver liberated at the cathode if 0.5 A of current is passed through AgNO_(3) electrolyte for 1 hour . Atomic mass of silver = 107.9 g mol^(-1) .

Two voltameters, one having a solution of silver salt and the other of a trivalent-metal salt, are connected in series and a current of 2 A is maintained for 1.50 hours . It is found that 1.00 g of the trivalent metal is deposited. (a) What is the atomic weight of the trivalent metal? (b) How much silver is deposited during this period? Atomic weight of silver is 109.9 g mol^(-1)

An electric current of 2.0 A passes through a wire of resistance 25 Omega . How much heat will be developed in 1 minute?

Two electrolytic cells containing CuSO_(4) and AgNO_(3) respectively are connected in series and a current is passed through them until 1 mg of copper is deposited in the first cell. The amount of silver deposited in the second cell during this time is approximately [Atomic weights of copper and silver are respectively 63.57 and 107.88 ]

An electric current is passed through silver nitrated solution using silver electrodes . 10. 79 g of silver qas found to be deposited on the cathode fi the same amount of electricity is passed through copper sulphate solutin using copper electrodes. the weihgt of copper deposited on teh cathode is .

An electric current of 0.4 A is passed through a silver voltameter fro half an hour.Find the amount of silver deposited on the cathode. ECE of silver = 1.12 xx 10^(-4) kg C^(-1)

In a silver plating system, an electrolysis current of 5.0 A is used for a certain time and 0.5 mol of silver is deposited. How many moles of copper and iron will be deposited in their respective plating system if an electrolysis current of 10.0 A is passed for twice the time for silver plating. ( Relative atomic mass of silver=107.3, of copper -63.54, of iron=55.85).

SL ARORA-CHEMICAL EFFECT OF CURRENT-TYPE -A

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