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प्रश्न
What is observed when silver chloride is exposed to sunlight? Give the type of reaction involved.
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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 the balanced chemical equation for the following and identify the type of reaction.
\[\ce{Zinc carbonate(s) -> Zinc oxide(s) + Carbon dioxide(g)}\]
Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions.
What is the colour of ferrous sulphate crystals? How does this colour change after heating?
Which of the following can be decomposed by the action of light?
(a) NaCl
(b) KCl
(c) AgCl
(d) CuCl
Identify the type of following reaction :
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Give a balanced equation for –
An electrolytic decomposition reaction involving a neutral liquid
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction in which a compound decomposes to give two new compounds.
The reaction of calcium carbonate, with freshly prepared lime water, is shown below:
Answer the questions with the help of a diagram:
- What type of reaction does calcium carbonate undergoes?
- What change in colour is observed in lime?
- Write the chemical equation.
A solution of a substance ‘X’ is used for whitewashing.
- Name the substance ‘X’ and write its formula.
- Write the reaction of the substance ‘X’ named in the above formula with water.
