Why do compounds with covalent bonds have lower melting and boiling points than compounds with ionic bonds?
a) due to the lattice structure.
b) the intermolecular forces are weak.
c) the intermolecular forces are strong.
d) there is a complete transfer of valence electrons in the bonding process.

B)  

The intermolecular forces are weak.

Explanation:

it is because of the power of the intermolecular force. they are bonds within the molecule, so they are weak force.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.