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An oxide of Nitrogen was bubbled into a solution of sodium hydroxide in which phenolphthalein indicator has been added. The solution turned colorless after sometime.
a).Name the oxide.
(b) Write an ionic equation for the reaction that took place.

Answer Text:
a).Nitrogen (IV) oxide
b).#NO_(2(g)) + 2OH^-_(aq) → NO^(3-)(aq) + H_2 O_(l)#