An unknown substance A reacts with sodium hydrogen carbonate to produce sodium acetate, substance B and carbon dioxide. Predict both substance A and B.
A + NaHCO₃ → CH₃COONa + B + CO₂

CH₃COOH and H₂

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CH₃CHO and H₂O

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CH₃COOH and H₂O

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CH₃OH and H₂O

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Solution

The correct option is C
CH₃COOH and H₂O

CH₃COOH + NaHCO₃ → CH₃COONa + H₂O + CO₂
Acetic acid on reaction with sodium hydrogen carbonate produces sodium acetate, water, and carbon dioxide.
Therefore molecule A is CH₃COOH and B is H₂O molecule.

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Similar questions

The equations given below relate to the manufacture of sodium carbonate (Molecular weight of Na₂CO₃ = 106).
NaCl + NH₃ + CO₂ + H₂O $\overset{}{\to}$ NaHCO₃ + NH₄Cl
2NaHCO₃ $\overset{}{\to}$ Na₂CO₃ + H₂O + CO₂
Questions (a) and (b) are based on the production of 21.2 g of sodium carbonate.
(a) What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate (Molecular weight of NaHCO₃ = 84)?
(b) To produce the mass of sodium hydrogen carbonate, calculate what volume of carbon dioxide, measured at STP would be required?

From the following list of substances. choose one substance in each case which matches the description given below :

Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate. zinc carbonate.

(a) A nitrate which gives off only oxygen when heated.

(b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.

Q. From the following list of substances, choose one substance in each case which matches the description given below: [4 MARKS]
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate
(a) A nitrate which gives out only oxygen when heated.
(b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
(c) A nitrate which gives off oxygen and nitrogen dioxide when heated.

In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g of water and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass.
Sodium Carbonate + Acetic Acid $\to$ Sodium Acetate + Carbon Dioxide + Water

Q. Consider the three solutions of 1 M concentration
a. Sodium acetate

(C H_{3} C O O N a)

b. Acetic acid + Sodium acetate(

C H_{3} C O O H + (C H_{3} C O O N a

)
c. Acetic acid (

C H_{3} C O O H

)
The pH of these solutions will lie in the following sequence:

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An unknown substance A reacts with sodium hydrogen carbonate to produce sodium acetate, substance B and carbon dioxide. Predict both substance A and B. A + NaHCO3 → CH3COONa + B + CO2

The correct option is C CH3COOH and H2O CH3COOH + NaHCO3 → CH3COONa + H2O + CO2 Acetic acid on reaction with sodium hydrogen carbonate produces sodium acetate, water, and carbon dioxide. Therefore molecule A is CH3COOH and B is H2O molecule.

An unknown substance A reacts with sodium hydrogen carbonate to produce sodium acetate, substance B and carbon dioxide. Predict both substance A and B.
A + NaHCO₃ → CH₃COONa + B + CO₂

The correct option is C
CH₃COOH and H₂O

CH₃COOH + NaHCO₃ → CH₃COONa + H₂O + CO₂
Acetic acid on reaction with sodium hydrogen carbonate produces sodium acetate, water, and carbon dioxide.
Therefore molecule A is CH₃COOH and B is H₂O molecule.