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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 the types of reaction with reference to oxygen and hydrogen. Illustratre with examples.
Explain, giving one example of the following chemical change:
Thermal dissociation
State the type of reactions for the following represent and balance the ones that are not balanced.
Fe + CuSO4→ FeSO4 + Cu
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.
AgNO3 + NaCl → AgCl + NaNO3
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.
\[\ce{2Mg + O2->2MgO}\]
Convert nitrogen to ammonia by a direct combination reaction.
Give a balanced equation for thermal decomposition of ammonium dichromate
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
