Question

Q 10-A zinc plate was put into a solution of copper sulphate kept in a glass container. It
was found that the blue colour of the solution gets fader and fader with the passage of
time. After a few days, when the zinc plate was taken out of the solution, a number of
holes were observed on it.
(0) State the reason for changes observed on the zinc plate.
fii) Write the chemical equation for the reaction involved.
iii) Name another element which will show SAME OBSERVATIONS .Justify with
equation.




(Only answer the 3rd part)​

Answer 1

Answer:

Explanation:

TAKE EXAMPLE OF ALUMINIUM IN COPPER SULPHATE SOLUTION.

CUSO4+ Al----> Al2(SO4)3+ CU.

COPPER GETS DISPLACED FROM ITS COMPOUND AND GETS DEPOSITED OVER THE ALUMINIUM PLATE.

IT FORMS ALUMINIUM SULPHATE WHICH IS ALSO COLOURLESS.