A student takes about 2 mL ethanoic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He reports the following observations : I. Immediately a colourless and odourless gas evolves with a brisk effervescence. II. The gas turns lime water milky when passed through it. III. The gas extinguishes the burning splinter that is brought near it.. Identify the type of reaction
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The correct answer is: option (d) When acetic acid is added to NaHCO3 solution, and when a burning splinter is brought near the mouth of each test tube, the splinter would be extinguished due to the evolution of carbon dioxide gas with brisk effervescence from the test tube.
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