SO_4^(2-) Although it has a negative charge, it will never accept a H^+ to form H_2SO^4(sulfuric acid) . That is because sulfuric acid is a strong acid and completely disassociates in water. Therefore, the sulfate ion (SO_4^(2-)) is the conjugate base of HSO_4^-. Hydrocyanic acid HCN (Ka = 4.9 × 10-10) Which acid has the strongest conjugate base? Hydrogen sulfate ion HSO4- (Ka = 1.2 × 10-2) Hydrocyanic acid HCN (Ka = 4.9 × 10-10) 1 decade ago. Favorite Answer. Conjugate base of HSO4- is SO4 (2-) Conjugate base of HC2H302 is C2H3O2-. Conjugate acid of CN- is HCN. Conjugate acid of CO3 (2-) is HCO3-. perrotti. Lv 4. 4 years... HSO4- ----> H+ + SO42- The conjugate acid of HPO42- is H2PO4-. HPO42- + H+ ----> H2PO4- PO43- is a susceptible conjugate base (considering the fact that it isn't the conjugate base of a powerful acid, which has no strenth) has a cost of minus three, which means it will possibly maintain 3 H+'s. The sulfate ion ( SO4 2− ) is the conjugate base of HSO−4. Reason : Even if it has a negative charge, it will never accept a H+ ion to form H2SO4 again . That is because sulfuric acid is a strong acid and completely disassociates in water. That’s why Sulphate Ion would be the conjugate base formed. The conjugate acid of HPO42- is H2PO4-. HPO42- + H+ ----> H2PO4- PO43- is a weak conjugate base (since it is not the conjugate base of a strong acid, which has no strenth) has a charge of minus... To find conjugate base you have to remove H+ from the given species. Hint: CBR (Conjugate Base Remove H+) So conjugate base of HSO4- is SO4^-2. To find conjugate acid you have to add H+ to the given species. Hint: CAA (Conjugate Acid Add H+) So conjugate acid of HSO4- is H2SO4. Hope you liked the answer. Thanks for reading. what is the conjugate base for H2SO4. what is the conjugate acid for HSO4^-what is the conjugate base for HCl HSO− 4 +H2O → SO2− 4 +H3O+ H S O 4 − + H 2 O → S O 4 2 − + H 3 O +. From the reaction, HSO− 4 H S O 4 − acts as an acid and produces the conjugate base SO2− 4 S O 4 2 HSO4- is a base since it has the ability to accept a proton but it is a conjugate base to H2SO4 since it is formed by the H2SO4 after donating a proton. The conjugate base of HSO4- is SO4 (2-), if that’s the question that you are asking. Is CN an acid or base? 28 more rows
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