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प्रश्न
Compare the properties of ionic compounds and covalent compounds.
List four differences in properties between covalent compounds and ionic compounds.
उत्तर
| Sr. No. | Ionic compound | Covalent compound |
| 1. | Ionic compounds are usually crystalline solids. | Covalent compounds are usually liquids or gases. |
| 2. | Ionic compounds have high melting and boiling points. | Covalent compounds have low melting and boiling points. |
| 3. | Ionic compounds are usually soluble in water. | Covalent compounds are usually insoluble in water. |
| 4. | Ionic compounds conduct electricity when dissolved in water or melted. | Covalent compounds do not conduct electricity. |
| 5. | Ionic compounds are insoluble in organic solvents. | Covalent compounds are soluble in organic solvents. |
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Name the type of bonds formed in ionic compounds and in the compounds formed by carbon.
Name the hardest natural substance known.
Give one example of a molecule containing a double covalent bond
What is the atomic number of carbon. Write its electronic configuration.
What is buckminsterfullerene?
How buckminsterfullerene is it related to diamond and graphite?
State one test by which sodium chloride can be distinguished from sugar.
Draw the electron-dot structure of a hydrogen chloride molecule.
Which inert gas does the Cl atom in HCl resemble in electron arrangement?
Draw the electron-dot structure of H2O compound and state the type of bonding.
Explain why, diamond can be used in rock drilling equipment but graphite cannot.
State any two uses of graphite.
One of the following compounds is not ionic in nature. This compound is:
(a) Lithium chloride
(b) Ammonium chloride
(c) Calcium chloride
(d) Carbon tetrachloride
For each compound mentioned above give the formulae of ions formed in aqueous solution.
Explain the structure of Hydronium ion.
Explain the following:
Covalent compounds have low melting and boiling point.
What do you understand by dipole (polar) molecule?
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
Fill in the blank and rewrite the completed statement:
Covalent compounds are generally soluble in _________ solvents.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
