6. The following diagram displays a chemical reaction. Observe carefully and
answer the following questions
Chonde
(a) Identify the type of chemical reaction that will take place and define it. How
will the colour of the salt change?
Write the chemical equation of the reaction that takes place.
(c) Mention one commercial use of this salt.
Answers
Answer:
⬇️⬇️
➡️a.●photodecompsition reaction is taking place here.
●the decomposition reaction that takes place in the presence of sunlight is called photo decomposition reaction.
●colour of salt changes because it comes in contact with sunlight.
●2AgCl➡️2Ag+Cl2
➡️b.it is used in black and white photography.
hope it helps✨
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Answer:
a) This reaction is called photolytic decomposition or photolysis. It takes place when silver chloride is exposed to the sunlight leading to the decomposition of silver metal and chlorine gas.
b) The color will change from white to grey.
The chemical reaction that takes place:
2AgCl → 2Ag + Cl2
c) It is used in electroplating and polishing mirrors and making in alloys.
Explanation:
This type of reaction is a decomposition type of reaction that includes the reactant that absorbs energy from photons and break down into its components.
One example of such reaction is decomposition of O3 into O2 when presence of sunlight.
O3 + hν → O2 + O.
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