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Question
Take finely powdered Zinc and allow it to react with CuSO4 solution. Then take Zinc granules and carry out the same reaction. Which reaction will take place faster and why?
Take finely powdered Zinc and allow it to react with CuSO4 solution. Then take Zinc granules and carry out the same reaction. Which reaction will take place faster and why?
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Solution
The reaction between powdered zinc and copper sulphate solution is faster than the reaction between zinc granules and copper sulphate solution. The factor that controls the rate of reaction is the size of the particles. There is inverse relation between the size of particles and the rate of chemical reaction, i.e., smaller the size of particles, faster is the reaction. Zinc granules are larger than powdered zinc. Hence, the rate of reaction is faster when powdered zinc is used.
The reaction between powdered zinc and copper sulphate solution is faster than the reaction between zinc granules and copper sulphate solution. The factor that controls the rate of reaction is the size of the particles. There is inverse relation between the size of particles and the rate of chemical reaction, i.e., smaller the size of particles, faster is the reaction. Zinc granules are larger than powdered zinc. Hence, the rate of reaction is faster when powdered zinc is used.
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