Is double displacement reaction a redox reaction explain how is it different from a single displacement reaction
Answers
Answer:
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Explanation:
Yes, a simple displacement reaction is also a redox reaction as it is always accompanied by oxidation-reduction.
Example-1
2 KI + Cl2 = 2KCl + I2
In this reaction, the more electronegative chlorine displaces iodine from its salt, potassium iodide. Chlorine is reduced from zero state to -1, and iodine is oxidised from -1 state to zero.
Example-2
Zn + H2SO4 = ZnSO4 + H2
Here, zinc is oxidised to +2 state from zero state, and hydrogen is reduced to zero state from +1 state. Zinc is more electropositive than hydrogen, and so it displaces hydrogen from the acid.
In a simple displacement reaction, one of the reactants is always an element and it has to undergo either oxidation or reduction in the course of displacing another element from the latter’s compound. Hence, such a reaction is invariably a redox reaction.
On the other hand, double displacement reactions like precipitation reactions are non-redox in character.
Answer:
Explanation:
A single-replacement reaction replaces one element for another in a compound. The periodic table or an activity series can help predict whether single-replacement reactions occur. A double-replacement reaction exchanges the cations (or the anions) of two ionic compounds.
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