Advertisements
Advertisements
प्रश्न
Give one example of a decomposition reaction which is carried out with electricity.
उत्तर
Example of the decomposition reaction are as follows:
with electricity:
APPEARS IN
संबंधित प्रश्न
What type of reaction is represented by the following equation?
\[\ce{CaCO3 -> CaCO + CO2}\]
What type of reaction is represented by the following equation?
NH4 CI → NH3 + HCI
What type of reaction is represented by the following equation?
NH4NO2 → N2 + 2H2O
What do you mean by redox reaction ? Explain with the help of an example.
Differentiate between the following:
Thermal decomposition and thermal dissociation.
Which one of the following processes involves chemical reactions?
Balance the following chemical equation and identify the type of chemical reaction.
`"HgO"("s") overset("(heat)")(->) "Hg"("l") + "O"_2("g")`
On heating blue coloured powder of copper (II) nitrate, in a boiling tube, copper oxide (black), oxygen gas and a brown gas X is formed
- Write a balanced chemical equation of the reaction.
- Identify the brown gas X evolved.
- Identify the type of reaction.
- What could be the pH range of aqueous solution of the gas X?
These consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
Assertion: Silver bromide decomposition is used in black and white photography.
Reason: Light provides energy for this exothermic reaction.
A metal nitrate 'A' on heating gives a metal oxide along with evolution of a brown coloured gas 'B' and a colourless gas, which helps in burning. Aqueous solution of 'A' when reacted with potassium iodide forms a yellow precipitate.
- Identify 'A' and 'B'
- Name the types of the reactions involved in the above statement.
