Part A Write the formula of the conjugate acid for base SO2?4 Express your answe

Question

Part A

Write the formula of the conjugate acid for base SO2?4

Express your answer as a chemical formula or an ion.

Part B

Write the name of the conjugate acid found in part A.

Spell out the full name of the compound.

Part C

Write the formula of the conjugate acid for base CN?.

Express your answer as a chemical formula or an ion.

Part D

Write the name of the conjugate acid found in part C.

Spell out the full name of the compound.

Part E

Write the formula of the conjugate acid for base OH?.

Express your answer as a chemical formula or an ion.

Part F

Write the name for the conjugate acid found in part E.

Spell out the full name of the compound.

Part G

Write the formula of the conjugate acid for base ClO?2, chlorite ion.

Express your answer as a chemical formula or an ion.

Part H

Write the name for the conjugate acid found in part G.

Explanation / Answer

Part A

Write down the reaction between SO42- and water, H2O as below.

SO42- + H2O --------> H+ + HSO4-

HSO4- is the conjugate acid of SO42-.

Part B

The conjugate acid, HSO4- is named as hydrogen sulfate ion or bisulfate ion.

Part C

CN- is a base. Write down the reaction between CN- and H2O as below.

CN- + H2O ---------> HCN + OH-

HCN is the conjugate acid of CN-.

Part D

The acid HCN is the hydrogen acid of cyanide, CN- ion and is named as hydrogen cyanide. An aqueous solution of HCN is known as hydrocyanic acid.

Part E

OH- is a strong base and combines with hydronium ion, H3O+ to form water, H2O. The reaction is shown below.

OH- + H3O+ ---------> 2 H2O

Therefore, H2O is the conjugate acid of OH-.

Part F

The conjugate acid of OH- is actually the oxide of hydrogen (H) and hence, the chemical name is dihydrogen monoxide. H2O is more commonly known as water.

Part G

Write down the reaction between ClO2- and H2O.

ClO2- + H2O --------> HClO2 + OH-

HClO2 is the conjugate acid of ClO2-.

Part H

HClO2 is the hydrogen acid of ClO2- ion. ClO2- ion is named as chlorite ion and hence, HClO2 is chlorous acid.

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