Home › CBSE Class 12 (Science) › Chemistry › General Principles and Processes of Isolation of Elements › Which oxides are so unstable that heat alone dec…
Which oxides are so unstable that heat alone decomposes them?
ACr2O3 and TiO2
BCaO and Na2O
CAg2O and HgO
DAl2O3 and MgO
Answer & Solution
Correct answer: C. Ag2O and HgO
Their formation free energy lines lie high, so these oxides easily undergo thermal decomposition.
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