Advertisements
Advertisements
प्रश्न
Which of the following can be decomposed by the action of light?
पर्याय
NaCl
KCl
AgCl
CuCl
Advertisements
उत्तर
AgCl
Explanation:
Silver chloride (AgCl) is highly sensitive to light and undergoes a photochemical decomposition reaction. When exposed to sunlight, it breaks down into grey silver metal and pungent chlorine gas.
\[\ce{2AgCl_{(s)} ->[Sunlight] 2Ag_{(s)} + Cl2_{(g)}}\]
APPEARS IN
संबंधित प्रश्न
Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions.
Write one equation for decomposition reactions where energy is supplied in the form of heat.
Give one example of a decomposition reaction which is carried out by applying heat.
What type of reaction is represented by the following equation?
\[\ce{CaCO3 -> CaO + CO2}\]
What type of chemical reaction takes place when silver bromide is exposed to sunlight?
State the change in colour observed in the following case, mentioning the reason:
Silver chloride is exposed to sunlight.
What is a redox reaction? Explain with an example.
Give a scientific reason.
When the gas formed on heating limestone is passed through freshly prepared lime water, the lime water turns milky.
Classify the following reaction into different type:
\[\ce{2KClO3(s)->[\Delta] 2KCl(aq) + 3O2(g)}\]
Differentiate between direct combination reaction and a decomposition reaction.
Differentiate between the following:
Thermal decomposition and thermal dissociation.
Photolysis is a decomposition reaction caused by ______
Chemical volcano is an example of ______ type of reaction.
When SO2 gas is passed through a saturated solution of H2S, which of the following reaction occurs?
Marble statues are corroded or stained rain water. Identify the main reason.

Balance the following chemical equation and identify the type of chemical reaction.
`"HgO"("s") overset("(heat)")(->) "Hg"("l") + "O"_2("g")`
Complete the following reaction:
\[\ce{C_12H_22O11->[Heat]}\] ______ + ______.
What is observed when silver chloride is exposed to sunlight? Give the type of reaction involved.
When lead nitrate is heated strongly in a boiling tube, two gases are liberated and a solid residue is left behind in the test tube.
- Name the type of chemical reaction and define it.
- Write the name and formula of the coloured gas liberated.
- Write the balanced chemical equation for the reaction.
- Name the residue left in the test tube and state the method of testing its nature (acidic/basic).
Write the molecular formula of calcium carbonate.
