Which of the following is formed, when copper (II) sulphate is treated with excess ammonia?

Which of the following compound is formed when copper sulphate solution is treated with an excess of aqueous ammonia?

which of the following compounds is formed when ZnSO_(4) is treated with liquor ammonia?

What happens when copper sulphate is treated with potassium iodide.

The major product formed when alkyl iodides is treated with excess of ammonia