Given below are two statements :

Statement (I) : Both metals and non-metals exist in p and d-block elements.

Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.

In the light of the above statements, choose the most appropriate answer from the options given below :

Which of the following compounds show colour due to d-d transition?

Select the compound from the following that will show intramolecular hydrogen bonding.

The number of tripeptides formed by three different amino acids using each amino acid once is ______.