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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

Two electrolytic cells containing molten solutions of calcium chloride and aluminium chloride are connected in series. If the same amount of electric current is passed through them, what will be the weight (in grams) of calcium obtained when 9 g of aluminium is obtained? (Atomic mass: Al = 27 g , Ca = 40 g )

Answer: 20

Solution

Equivalent weight of Ca ; of Al . Equal charge deposits

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Question ID VK-144146