(a)(i) What is an acid?

(ii) List three chemical properties of tetraoxosulphate (VI) acid

(iii) Give two uses of tetraoxosulphate (VI) acid.

 

(b)(i) Describe a suitable laboratory procedure for preparing a sample of zinc tetraoxosulphate (VI) crystals, starting from zinc oxide.

(ii) Write two equations to show why zinc oxide is classified as an amphoteric oxide.

 

(c) Zinc reacts with copper (II) tetraoxosulphate (VI) according to the following equation: Zn + CuSO\(_4\) -> ZnSO\(_4\) + Cu

(i) State the type of reaction involved

(ii) Determine the mass of zinc that would react completely with 8.0g of copper (II) tetraoxosulphate (VI). [CuSO\(_4\) = 160; Zn = 65]