why potassium hydroxide solution is freshly prepared and kept in the test tube inside a tight conical flask
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KOH is kept in tight conical flask because when it is kept open in the atmosphere it will immediately reacts with atmosphereric carbon-dioxide and form potassium carbonate .
As it is a acid base or neutralization reaction it will give salt and water where KOH is base and CO2 is acidic oxide .
So, 2KOH + CO2 -> K2CO3 + H2O
As it is a acid base or neutralization reaction it will give salt and water where KOH is base and CO2 is acidic oxide .
So, 2KOH + CO2 -> K2CO3 + H2O
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Answer:
Potassium hydroxide solution is kept in test tube X and Y to check the presence of CO2, as KOH can absorb CO2, if it is produced
Explanation:
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