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a. Complete the table based on the Electrolysis of molten sodium chloride. Electrodes Reaction taking place product Anode Cathodeb. Write down the reaction taking place in each electrodes and products formed in the electrolysis of sodium chloride solution. Electrodes Reaction taking place product Anode Cathodec. Why is hydrogen formed in the cathode instead of sodium? d. Write one word for a solution undergoes chemical change when electricity passes through it. e. Write the name of the above process. f. Write down the uses of above type of reaction. |
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Answer» a.
b.
c. When Na+ ion and water are compared reduction occurs to water. Hence H is liberated at cathode. H+ + e → H, H + H → H2. d. Electrolyte. e. Electrolysis. f. Electroplating, Production of chemicals, Purification of metals. |
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