Indicate which of the following pairs can enter into an irreversible reaction in an aqueous medium: a) sulfuric acid

| December 30, 2020 | education

Indicate which of the following pairs can enter into an irreversible reaction in an aqueous medium: a) sulfuric acid and barium chloride b) potassium sulfate and barium nitrate) potassium sulfate and sodium nitrate d) hydrochloric acid and sodium nitrate Write the equations of these reactions in molecular and ion-molecular form. Explain why they are leaking.

a) sulfuric acid and barium chloride;
H2SO4 + BaCl2 = BaSO4 + 2HCl
2H (+) + SO4 (2-) + Ba (2+) + 2Cl (-) = BaSO4 + 2H (+) + 2Cl (-)
SO4 (2-) + Ba (2 +) = BaSO4

b) sodium sulfate and barium nitrate
Na2SO4 + Ba (NO3) 2 = BaSO4 + 2NaNO3
2Na (+) + SO4 (2-) + Ba (2+) + 2NO3 (-) = BaSO4 + 2Na (+) + 2NO3 (-)
SO4 (2-) + Ba (2 +) = BaSO4

d) hydrochloric acid and sodium hydroxide;
HCl + NaOH = NaCl + H2O
Н (+) + Cl (-) + Na (+) + OH (-) = Na (+) + Cl (-) + H2O
H (+) + OH (-) = H2O

e) sulfuric acid and potassium hydroxide
H2SO4 + 2KOH = K2SO4 + 2H2O
2H (+) + SO4 (2-) + 2K (+) + 2OH (-) = 2K (+) + SO4 (2-) + 2H2O
H (+) + OH (-) = H2O



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