InterviewSolution
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InterviewSolution
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A strip of metal X is dipped in the blue coloured salt solution `YSO_(4)` . After some time, a layer of metal Y from the salt solution is formed on the surface of metal strip X. Metal X is used in galvanisation whereas metal Y is used in making electric wires. Metal X and metal Y togehter form an alloy Z. (a) What could metal X be. (b) What could metal Y be ? (c) Name the metal salt `YSO_(4)`. (d) What type of chemical reaction takes place when metal X reacts with salt solution `YSO_(4)` ? Write the equation of the chemical reaction involved. (e) Name the alloy Z. |
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Answer» (a) Since the metal X is used for galvanisation, it is most probably Zn. (b) Since the metal Y is used in electric cable, it is likely to be cu. (c) The salt is `CuSO_(4).` (d) It is an example of metal displacement reaction. Zn lies above Cu in the activity series and has therefore, displaced Cu from the blue `CuSO_(4)` solution `{:(Zn(s) + CuSO_(4)(aq) to, ZnSO_(4) (aq) + Cu(s)),((X) " "(YSO_(4)), " "(Y)):}` |
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