s-Block ElementsHard
Question
Lime stone 
Quick lime 
Which of the following option describes the correct reactants, products and reaction conditions.
Quick lime Which of the following option describes the correct reactants, products and reaction conditions.
Options
A.(p) Strongly heating (q) Slaked lime (r) Ca(O2)2 (s) Cold water
B.(p) Strongly heating (q) Slaked lime (r) CaO2 (s) Cold water
C.(p) Strongly heating in presence of catalyst (q) Slaked lime (r) CaO (s) Cold water
D.(p) Strongly heating under high pressure (q) Slaked lime (r) CaO2 (s) Cold water
Solution
CaCO3 
CaO 
With hot water O2 is liberated.
CaO2 + H2O (hot) → Ca(OH)2 + O2
CaO With hot water O2 is liberated.
CaO2 + H2O (hot) → Ca(OH)2 + O2
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