Zn granules were added to a solution of cuso4 . after 30 min. it was observed that the blue colour of solution changes and a layer gets deposited on the zinc granules. the colour of the solution and the coating would respectively :
a)green,black b)colourless,black c)colourless,reddish brown d)green,reddish brown
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The right answer of it is option b ☺☺☺☺☺
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