Which of the following oxide is expected to react readily with NaOH and why?
a. Na2O
b. CaO
c. NO
d.Cl2O7
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Answer is (D) Cl₂O₇.
When Cl₂O₇ is dipped into water, an acid forms which is known as perchloric acid.
When NaOH is dipped into water, it reacts with water to form NaO.
Thus, this proves that Cl₂O₇ is acidic in nature and NaOH is basic in nature.
We know that substances which are acidic in nature reacts strongly with substances of basic nature.
Thus Cl₂O₇ reacts strongly with NaOH.
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