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प्रश्न
State differences between the properties of ionic compounds and covalent compounds.
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उत्तर
| Ionic compounds | Covalent compounds |
| These contain electrovalent or ionic bond. | These contain covalent bond. |
| They are generally crystalline solids. | They are generally volatile liquids or gases. |
| They have high melting and boiling points. | They have low melting and boiling points. |
| They are bad conductors of electricity in solid state but are good conductors in the molten or aqueous states. | They do not conduct electricity. |
| They are generally soluble in water but insoluble in organic solvents. | They are generally soluble in organic solvents but insoluble in water. |
| They consist of ions. So, their reactions in solutions are fast. | They consist of molecules. So, their reactions in solutions are slow. |
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संबंधित प्रश्न
Give electron dot diagram of the following:
methane
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
State the type of bonding in the following molecule.
Calcium oxide
How many atoms of each kind are present in the following molecule:
Calcium oxide
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
How are X-rays produced?
What do you understand by redox reactions?
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Draw the geometric atomic structure of the three isotopes of hydrogen and the two isotopes of chlorine.
