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प्रश्न
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
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उत्तर
A salt from trivalent metal \[\ce{Fe^3+}\] or \[\ce{Al^3+}\] and `"Cl"_2` (coloured gas)
\[\ce{2Al + 3Cl2->\underset{\text{salt (aluminium chloride)}}{2AlCl3}}\]
\[\ce{2Fe + 3Cl2->\underset{\text{salt (ferric chloride)}}{2FeCl3}}\]
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संबंधित प्रश्न
Explain, giving one example for each of the following chemical changes:
Displacement
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
KNO3 + H2SO4 → HNO3 + KHSO4
State the type of reactions for the following represent and balance the ones that are not balanced.
NH4Cl → NH3 + HCl
What is a double displacement reaction?
State which of the substance given below evolve oxygen gas on thermal decomposition.
Lead nitrate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{2Mg + O2->2MgO}\]
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a monovalent metal
Define the term – double decomposition – neutralization reaction.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
