Question

State four properties each of electrovalent and covalent compounds.​

Answer 1

Explanation:

electrovalent :

1) Electrovalent compounds are generally soluble in water and insoluble in solvents such as kerosene, petrol, etc.

2) Solubility.

3) They have high melting and boiling points.

4) These are solids and are somewhat hard because of the strong force of attraction between the positive and negative ions.

covalent :

1) Low boiling points and melting points.

2) Poor conductors of heat and electricity.

3) Low enthalpies of fusion and vaporization These properties are usually one or two orders of magnitude smaller than they are for ionic compounds.

4) Poor electrical and thermal conductivity.

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Answer 2

1) Generally crystalline solids. 2) Usually soluble in water however in general insoluble in organic solvents such as ether or kerosene. 3) Generally high melting point compounds. 4) Good conductors of electricity whenever molten or in aqueous solution however not if solid.

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