1.

Taking MgCI2 as an electrovalent compound, CCI4 as a covalent compound, give four differences between electrovalent and covalent compounds.

Answer»
 Electrovalent Compounds Covalent compounds
 They are made up of ions; Mg2+ and Cl- They are made up of molecules; 1carbon and 4 chlorine atoms form a molecule of CCl4.
 They are made up of ions; Mg2+ and Cl- They are generally gases or liquids under ordinary conditions; CCl4 is a liquid
 They have high m.p. and b.p. Their m.p. and b.p. are low.
 They are easily soluble in water but insoluble in organic solvents, such as benzene, chloroform, etc. They are insoluble in water but are usually soluble in organic solvents, such as benzene, chloroform, etc.


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