Advertisements
Advertisements
प्रश्न
Give a balanced equation for thermal decomposition of ammonium dichromate
उत्तर
Decomposition of Amonium dichromate \[\ce{[(NH4)2 Cr2 O7]}\]:
\[\ce{(NH4)2 Cr2 O7->Cr2O3 + 4H2O + N2}\]
APPEARS IN
संबंधित प्रश्न
Explain the types of reaction with reference to oxygen and hydrogen. Illustratre with examples.
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
Give an example of double displacement reaction, where a gas is evolved.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Trilead tetroxide
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Convert nitrogen to ammonia by a direct combination reaction.
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
Chemical reaction in which reactants react to form products and the products formed react with each other directly to form the original reactants back is known as ______ reaction.
