Chemistry Past Questions and Answers

the elements that belong to the third period of the periodic table are

A metal X forms two bromides with the formulae XBr₂ and XBr₃. What type of bonding exists between X and bromine in the bromide?

A mixture of petrol and water can be separated through

Which of the following represents an aromatic compound?

CH₃CH₂Cl + KCN → CH₃CH₂CN + KCl
In the reaction above, the cyanide is