Advertisements
Advertisements
प्रश्न
What is observed when silver chloride is exposed to sunlight? Give the type of reaction involved.
Advertisements
उत्तर
White silver chloride turns grey in sunlight when it is exposed to sunlight. This results from the light-induced breakdown of silver chloride into grey silver and chlorine.
\[\ce{2AgCl(s) ->[Sunlight] 2Ag(s) + Cl2(g)}\]
This is a type of decomposition reaction.
संबंधित प्रश्न
Write one equation for decomposition reactions where energy is supplied in the form of heat.
Taking into consideration the relationship in the first pair, complete the second pair
2H2 + O2 → 2H2O :Combination Reaction :: 2HgO → 2Hg + O2:_________
What type of chemical reaction is used to extract metals from their naturally occurring compounds like oxides or chlorides?
What is the colour of ferrous sulphate crystals? How does this colour change after heating?
State the change in colour observed in following case mentioning the reason:
Silver chloride is exposed to sunlight.
Explain the following type of chemical reaction, giving two examples for it:
Decomposition reaction
What are thermal decomposition reactions ? Explain with an example.
Study the following figure and answer questions.

a) After heating Calcium carbonate, which gas is formed in a test tube?
b) When we pass this gas through limewater what change, did you observe?
c) Write down the chemical reaction showing the product formation after heating the Calcium carbonate.
Differentiate between the following:
Thermal decomposition and thermal dissociation.
The following reaction is used for the preparation of oxygen gas in the laboratory:
\[\ce{2KClO3_{(s)} ->[Heat] 2KCl + 3O2_{(g)}}\]
Which of the following statement about the reaction is correct?
