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An example for displacement reaction is
Question

An example for displacement reaction is

A.

MgCO₃ → MgO + CO₂

B.

2H₂ + O₂ → 2H₂O

C.

2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂

D.

2Na + 2H₂O → 2NaOH + H₂

Correct option is D

The correct answer is: D) 2Na + 2H₂O → 2NaOH + H₂ In this reaction, sodium displaces hydrogen from water. This is a classic example of a displacement reaction, where a more reactive element replaces a less reactive one.
Information Booster: • Displacement reactions are used in extraction of metals and reactivity series demonstrations.

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