Question

11) How will you test a gas which is liberated when hydrochloric acid reacts with an active metal?​

Answer 1

Answer:

Whenever HCL reacts with any active metal,hydrogen gas is released.

Example:2K +2HCL gives rise to 2KCl + H2

Test for the gas liberated:

Bring a glowing splinter near the test tube, it will burn with a pop sound.This proves Hydrogen gas is released.

Answer 2

Answer:

the gas liberated when hydrochloric acid reacts with metal is hydrogen gas. .

we can confirm the presence of hydrogen gas by bringing a burning splinter hear the test tube......... if the gas released is is indeed hydrogen then the Splinter will extinguish with a Pop sound !!!!

hope that helps you

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