Chemistry, asked by Adennie, 10 months ago

Why is sulphuric acid not used for laboratory preparation of hydrogen?​

Answers

Answered by Rkp28
0

Answer:

Dilute sulphuric acid will react to produce hydrogen gas.

Increasing the concentration will increase the rate of reaction.

Since the product is in another phase (hydrogen is a gas) too rapid a reaction brings a risk of overpressurization and explosion. (This was once an issue with car batteries).

Also rapid generation of hydrogen bubbles could splash concentrated acid onto onlookers or sensitive equipment.

Answered by vermaameesha
1

Sulphuric acid is used, and also hydrochloric acid

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