A) alcohol
B) water
C) kerosene
D) liquid ammonia
Correct Answer: C
Solution :
Alkali metals are highly reactive metals. They react with Alcohol - \[2{{C}_{2}}{{H}_{5}}OH+2K\to 2{{C}_{2}}{{H}_{5}}OK\]\[+{{H}_{2}}\] (b) Water - \[2K+2{{H}_{2}}O\to 2KOH+{{H}_{2}}\] (d) Ammonia: \[K+(x+y)N{{H}_{3}}\to \underset{\begin{smallmatrix} ammoniated \\ cation \end{smallmatrix}}{\mathop{{{[K{{(N{{H}_{3}})}_{x}}]}^{+}}}}\,\] \[\underset{\begin{smallmatrix} ammoniated \\ electron \end{smallmatrix}}{\mathop{+{{[e{{(N{{H}_{3}})}_{y}}]}^{-}}}}\,\] But they do not react with kerosene
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