Question no. 22

Q22. A student performed an experiment using zinc granules and sodium carbonate with sodium hydroxide and hydrochloric acid, under different conditions as shown here:

      In which of the given set up the gas is not evolved and why?

Dear student,
the answer is (b) as NaOH does not react with sodium carbonate.
In 1 , hydrogen gas will be released.
In 2 , hydrogen gas will be released.
In 3 , carbon dioxide will be released.

  • 0
In case 2 since according to NCERT the base doesn't react with metal carbonate/hydrogencarbonate
  • 6
What are you looking for?