Two compounds X and Y are added to acetic acid in two different testtubes(1 and 2). Carbon dioxide was formed only in test tube 2. Choosethe correct option:a. X-sodium hydroxide, Y- sodium bi carbonateb. X- sodium bi carbonate, Y- sodium hydroxidec. X-sodium hydroxide, y- sulphuric acidd. X-sodium bi carbonate, Y-sulphuric acid
Question
Two compounds X and Y are added to acetic acid in two different testtubes(1 and 2). Carbon dioxide was formed only in test tube 2. Choosethe correct option:a. X-sodium hydroxide, Y- sodium bi carbonateb. X- sodium bi carbonate, Y- sodium hydroxidec. X-sodium hydroxide, y- sulphuric acidd. X-sodium bi carbonate, Y-sulphuric acid
Solution
The correct option is b. X- sodium bi carbonate, Y- sodium hydroxide.
Here's why:
When sodium bicarbonate (NaHCO3) is added to acetic acid (CH3COOH), a reaction occurs producing sodium acetate (CH3COONa), water (H2O), and carbon dioxide (CO2). This is why carbon dioxide was formed in test tube 2.
On the other hand, when sodium hydroxide (NaOH) is added to acetic acid, it produces sodium acetate and water, but no carbon dioxide. This is why no carbon dioxide was formed in test tube 1.
So, X must be sodium bicarbonate and Y must be sodium hydroxide.
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