A) \[{{K}_{2}}C{{O}_{3}}\]
B) \[N{{a}_{2}}C{{O}_{3}}\]
C) \[MgC{{O}_{3}}\]
D) \[CaC{{O}_{3}}\]
Correct Answer: C
Solution :
Order of thermal stability is \[{{K}_{2}}C{{O}_{3}}>N{{a}_{2}}C{{O}_{3}}>CaC{{O}_{3}}>MgC{{O}_{3}}\] Hence, \[MgC{{O}_{3}}\] releases \[C{{O}_{2}}\] most easily \[MgC{{O}_{3}}\xrightarrow{\Delta }MgO+C{{O}_{2}}\]
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