Potassium is kept in

Alcohol

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Water

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Kerosene

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Liquid ammonia

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Solution

The correct option is C
Kerosene

Alkali metals are highly reactive metals. They react with

Alcohol - $2 C_{2} H_{5} O H + 2 K \to 2 C_{2} H_{5} O K + H_{2}$

Water - $2 K + 2 H_{2} O \to 2 K O H + H_{2}$

Ammonia - $K + (x + y) N H_{3} \to [K (N H_{3})_{x}]^{+} + [e (N H_{3})_{y}]^{-}$

Ammoniated cation Ammoniated electron

But they do not react with kerosene.

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Similar questions

Q. Why are sodium and potassium kept in kerosene oil ?

Q. Which substances are incorrectly placed in the following table?

\begin{matrix} L i q u i d - L i q u i d m i x t u r e s & L i g h t e r l i q u i d & H e a v i e r l i q u i d (a) & O l i v e o i l a n d w a t e r & O l i v e o i l & W a t e r (b) & B e n z e n e a n d C a r b o n - t e t r a c h l o r i d e & B e n z e n e & C a r b o n - t e t r a c h l o r i d e (c) & W a t e r a n d K e r o s e n e O i l & W a t e r & K e r o s e n e O i l (d) & A l c o h o l a n d w a t e r & A l c o h o l & W a t e r \end{matrix}

Sodium metal is kept immersed in kerosene and not water because:

Q. select the order of evaporation for water, alcohol, petrol, and kerosene oil.

(a) Why is sodium kept immersed in kerosene oil?
(b) Why is white phosphorus kept immersed under water?
(c) Can we keep sodium immersed under water? Why?

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Potassium is kept in

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.