Question

A spoonful of baking soda is added to a glass which contains

about one-fourth of its volume of vinegar. The mouth of the glass is

brought near the flame of the candle and tilted a bit.

a) What would you observe?

b) Explain the reason behind the observation.

c) Write the word equation for the reaction involved in the above

phenomenon observed.


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Answer 1

c) nahco3+ ch3cooh=ch3coona+ H20 +CO2

a) we observe bubbles

b) due to emission of CO2

d) exothermic reaction

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Answer 2

Here is your answer ! Step By Step Explanation --

Explanation:

A spoonful of baking soda is added to a glass which contains about one-fourth of its volume of vinegar. The mouth of the glass is brought near the flame of the candle and tilted a bit.

a) What would you observe?

Ans – During this reaction we will observe effervescence or small bubbles.

b) Explain the reason behind the observation.

Ans – Due to the reaction of baking soda and vinegar, Carbon Dioxide (CO2) is formed which is non supporter of Combustion and that is why the flame becomes extinguished.

c) Write the word equation for the reaction involved in the above phenomenon observed.

Ans – NaHCO3 (Baking Soda) + CH3COOH (Acetic acid) → CH3COONa (Sodium Acetate) + CO2 (Carbon Dioxide) + H20 (Oxygen)

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