Question

1. The colour of Silver Nitrate solution changes when a copper rod is dipped in it. Explain
this with the help of chemical reaction involved.

Please tell fast. ​

Answer 1

Answer:

The silver nitrate solution changes colour from whitish - colourless solution to a blue coloured solution.

This happens because copper displaces silver in the solution to form copper nitrate.

Explanation:

Copper displaces  silver in the solution because copper is more reactive than silver.

This reaction is known as a single displacement reaction.

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The equation of the reaction of the copper metal and the silver nitrate is as follows:

                  Cu + 2AgNO₃ ---> Cu(NO₃)₂ + 2Ag

The blue colour of the solution is because of the copper ions in the formed copper nitrate (copper ions are blue in colour in a solution)

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Note:  A more reactive metal will displace a metal that is less reactive in a solution.

Attached is the reactivity series of a few metals that you can use to predict the outcome of a reaction.

Explanation:

Answer 2

Answer:

Silver Nitrate =AgNO3

Copper Rod= Cu

Now reaction

As we know that Copper is more reactive than Silver as we see the reactivity series

Cu+AgNO3 -----> Cu(NO3)2 +Ag

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