• # question_answer An inorganic compound first melts then resolidifies and then liberates a gas. It may be [DPMT 2002] A) $Mn{{O}_{2}}$ B) $A{{l}_{2}}{{O}_{3}}$ C) $KMn{{O}_{4}}$ D) $KCl{{O}_{3}}$

Correct Answer: D

Solution :

$2KCl{{O}_{3}}\to 2KCl+3{{O}_{2}}$.

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