Advertisements
Advertisements
प्रश्न
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
पर्याय
helium
neon
argon
krypton
Advertisements
उत्तर
neon
Explanation -
Carbon shares its valence electrons with other atoms of carbon or with atoms of other elements. The shared electrons belong to the outermost shells of both the atoms and lead to both atoms attaining the noble gas configuration. After sharing four electrons with four univalent atoms, carbon attains the electronic configuration of the noble gas Neon (2,8).
APPEARS IN
संबंधित प्रश्न
The form of carbon which is known as black lead is ______.
What type of bond is present in the following molecule?
O2
Two chlorine atoms combine to form a molecule. The bond between them is known as ______.
Explain why:
Covalent compounds have generally low melting points.
Which inert gas does the Cl atom in HCl resemble in electron arrangement?
Draw the electron-dot structure of the following compound and state the type of bonding in the given case:
H2O
The solution of one of the following compounds will not conduct electricity. This compound is:
Methane molecule is non-polar molecule. Explain.
The electronic configuration of N2 is 2, 5. How many electrons in the outer shell of a N atom are not involved in the formation of a nitrogen molecule?
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
An element L consists of molecules.
- Which type of bond is present in the particles that make up L?
- When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe change undergone by L?
An element L consists of molecules.
Why L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
Explain the following:
Polar covalent compounds conduct electricity?
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ |\phantom{....}|\phantom{....}|\\\ce{H - C - C - C - H}\\ |\phantom{....}|\phantom{....}|\\\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H} \end{array}\] |
Give an example for each of the following statement
A compound in which two Covalent bonds are formed.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
`"CH"_3 - "CH"_2 - "OH" overset("Alkaline""KMnO"_4 + "Heat")(->) "CH"_3 - "COOH"`
In the above given reaction, alkaline KMnO4 acts as
The table shows the electronic structures of four elements.
| Element | Electronic Structure |
| P | 2, 6 |
| Q | 2, 8, 1 |
| R | 2, 8, 7 |
| S | 2, 8, 8 |
- Identify which element(s) will form covalent bonds with carbon.
- “Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.
Non-polar covalent compounds are ______ conductors of heat and electricity.
