Chemistry, asked by narendermodi5527, 1 month ago

While a student was shifting the dilute HCl bottle, it accidentally slipped from his hand and fell on the marble floor. Brisk effervescence was observed by him. Can you explain why?

Answers

Answered by Anonymous
0

Answer:

Reaction involved-

CaCO

3

+2HCl→CaCl

2

+CO

2

+H

2

O

The evolved gas is carbon dioxide which when passes through lime water turns it milky.

Ca(OH)

2

+CO

2

→H

2

O+CaCO

3

⇐ due to formation of this compounds

when excess CO

2

is passed

CaCO

3

+H

2

O+CO

2

→Ca(HCO

3

)

2

Bicarbonate is formed which again clears the solution.

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