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Question

Potassium is kept in


A

Alcohol

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B

Water

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C

Kerosene

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D

Liquid ammonia

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Solution

The correct option is C

Kerosene


Alkali metals are highly reactive metals. They react with

Alcohol - 2C2H5OH + 2K 2C2H5OK + H2

Water - 2K + 2H2O 2KOH + H2

Ammonia - K + (x + y)NH3 [K(NH3)x]+ + [e(NH3)y]

Ammoniated cation Ammoniated electron

But they do not react with kerosene.


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