Advertisements
Advertisements
प्रश्न
Which of the following is a common characteristic of a covalent compound?
विकल्प
High melting point
Consists of molecules
Always soluble in water
Conducts electricity when it is in the molten state
Advertisements
उत्तर
Consists of molecules
Explanation:
- A covalent compound is formed by sharing of electrons between the atoms of the same element of a different element.
- Thus, the joining of different atoms forms a molecule. e.g.- N2, H2, H2O etc.
- That means the constituent particles of covalent compounds are molecules.
APPEARS IN
संबंधित प्रश्न
List three characteristic properties of covalent compounds.
Elements forming ionic compounds attain noble gas configuration by either gaining or losing electrons from their outermost shells. Give reason to explain why carbon cannot attain noble gas configuration in this manner to form its compounds.
What type of chemical bonds are formed by carbon? Why?
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Give examples for the following:
Two solid covalent compounds.
Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
Which of the following is the purest form of carbon?
When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula ______.
Two carbon atoms can always form one or two covalent bonds.
