Advertisements
Advertisements
प्रश्न
Explain the following:
Covalent compounds have low melting and boiling point.
Advertisements
उत्तर
Covalent compounds have low melting and boiling point because the intermolecular forces of attraction among the molecules of covalent compounds are weak. Hence very small amount of heat energy is required to overcome the attraction between the molecules.
संबंधित प्रश्न
What type of bond is present in the following molecule?
CH4
will CCl4 conduct electricity or not?
give reason for your choice.
One of the following contains a double bond as well as single bonds. This is:
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
- Which two elements will combine to form an ionic compound?
- Which two elements will react to form a covalent compound?
Give reasons for your choice.
Give the characteristic properties of covalent compounds.
What is the difference between :
Ionic compounds and covalent compounds
Taking MgCl2 as an electrovalent compound, CCl4 as a covalent compound, give four difference between electrovalent and covalent compounds
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ \phantom{..}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C- C- H}\\ \phantom{.}|\phantom{....}|\phantom{....}|\\ \ce{H - C - H}\\ |\\\ce{H}\end{array}\] |
`"CH"_3 - "CH"_2 - "OH" overset("Alkaline""KMnO"_4 + "Heat")(->) "CH"_3 - "COOH"`
In the above given reaction, alkaline KMnO4 acts as
Write notes on the characteristics of covalent compounds.
