Identify the correct order of acidic strengths CO _ 2 , CuO _ 1 , CaO _ 2 , H _ 2 O

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. \(\text { CaO }<\text { CuO }<\mathrm{H}_{2} \mathrm{O}<\mathrm{CO}_{2}\)
2. \(\mathrm{H}_{2} \mathrm{O}<\mathrm{CuD}<\mathrm{CaD}<\mathrm{CO}_{2}\)
3. \(\mathrm{CaO}<\mathrm{H}_{2} \mathrm{O}<\mathrm{CuO}<\mathrm{CO}_{2}\)
4. \(\mathrm{H}_{2} \mathrm{O}<\mathrm{CO}_{2}<\mathrm{CaD}<\mathrm{CuD}\)

Answer

(C) CaO < H _ 2 O < CuO < CO _ 2

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