A) Alcohol
B) Water
C) Kerosene
D) Liquid ammonia
Correct Answer: C
Solution :
Alkali metals are highly reactive metals. They react with Alcohol - \[2{{C}_{2}}{{H}_{5}}OH+2K\to 2{{C}_{2}}{{H}_{5}}OK+{{H}_{2}}\] Water - \[2K+2{{H}_{2}}O\to 2KOH+{{H}_{2}}\] Ammonia - \[K+(x+y)N{{H}_{3}}\to \underset{\text{Ammoniated }\,\text{cation}}{\mathop{{{\left[ K{{(N{{H}_{3}})}_{x}} \right]}^{+}}}}\,+\]\[\underset{Ammoniated\,\,electron}{\mathop{{{[e{{(N{{H}_{3}})}_{y}}]}^{-}}}}\,\] But they do not react with kerosene.
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