Question

Give reason first lonic compounds have high melting point second sodium is kept must in kerosene oil

Answer 1

Ionic compounds have high melting point due to strong force of. attraction between the particles.
sodium must be kept in kerosene oil because it is highly reactive metal if it is kept in open then it can react with oxygen to catch fire .so it is kept in kerosene oil to prevent damage .
hope it helps u mate!!!!

Answer 2

1.because the force of attraction between the ions is too strong. 2.because it is a highly reactive metal which act easily when come into the contact with air. so to prevent accidental fire it is kept immersed in kerosene oil