49. On keeping the iron nails dipped in copper sulphate solution for about 30 minutes the changes you will observe is: (a) Iron nails become brownish in colour and the blue colour of copper sulphate solution fades. (b) Iron nails become brownish in colour and the blue colour of copper sulphate solution changes to orange. (c) Iron nails become bluish in colour and the blue colour of copper sulphate fades. (d) No reaction takes place.
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Answer:
B) Iron nails become brownish in colour and the blue colour of copper sulphate solution changes to light green.
Explanation:
The options were wrong.
The iron in the nails displaces the copper in the solution as it has more reactivity
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Answer:
a)Iron nails become brownish in colour and the blue colour of copper sulphate solution fades.
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