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Atomic Structure and Chemical Bonding — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYAtomic Structure and Chemical Bonding5 Marks
Question
Taking $MgCl _2$ as an electrovalent compound, $CCl _4$ as a covalent compound, give four difference between electrovalent and covalent compounds
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Answer

$MgCl_2$ - Electrovalent compound $CCl_4$ - Covalent compound
They are hard crystalline solids consisting of ions. These are gases or liquids or soft solids.
They have high melting and boiling points. They have low melting and boiling points.
They conduct electricity in the fused or aqueous state. They do not conduct electricity in the solid, molten or aqueous state.
These are soluble in inorganic solvents but insoluble in organic solvents. These are insoluble in water but dissolve in organic solvents.

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