CrO42– + 2H+ ⇄ Cr2O72– + H2O

A student adds sodium hydroxide (NaOH) to the solution at equilibrium. In one to two sentences, describe and explain any changes to the sol

1 answer

The addition of sodium hydroxide would shift the equilibrium to the left, favoring the formation of more CrO42– and H+. This is because NaOH will react with the H+ ions to form water, reducing the concentration of H+ ions and causing the equilibrium to shift in the reverse direction to produce more H+ ions.