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प्रश्न
Explain the term double decomposition precipitation reaction.
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उत्तर
Double decomposition reaction is a precipitation reaction. i. e. in which ppt. is formed
“Reaction between two compounds in the aqueous state, to give two new compounds one of which is precipitate (or insoluble).”
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
Match the following:
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a. Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) |
i. Photochemical decomposition |
|
b. \[\ce{2AgCI(s) ->[Sunlight] 2Ag(s) + CI2(g)}\] |
ii. Thermal decomposition |
|
c. \[\ce{2KCI ->[Electricity] 2K + CI2}\] |
iii. Displacement reaction |
|
d. \[\ce{2HgO(s) ->[\Delta] 2Hg(s) + O(g)}\] |
iv. Electrolytic decomposition |
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{4HNO3->4NO2 + 2H2O + O2}\]
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
Name a metallic oxide which on thermal decomposition is reduced to metal.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.
Differentiate between the following:
Decomposition reaction and a double decomposition reaction.
