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Question
The reaction of sodium is highly exothermic with H2O. The rate of reaction is lowered by 
Options:
A .  Lowering the temperature
B .  Mixing with alcohol
C .  Mixing with acetic acid
D .  Making an amalgam
Answer: Option D
:
D
Sodium amalgam, commonly denoted Na(Hg), is analloyofmercuryandsodium.
Na(Hg) is less reactive than Na. It will decrease the rate of reaction.
Sodium is highly reactive with water and decreasing the temperature does not decrease the rate of the reaction if we consider
Le Chatelier's principle.
Sodium reacts with alcohol and acetic acid also. They will not affect the rate of reaction of sodium with water.

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