Advertisements
Advertisements
प्रश्न
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Advertisements
उत्तर
- A single covalent bond is formed by sharing one pair of electrons between atoms, each atom contributes one electron. For example., Molecule of hydrogen [H-H]
- A double covalent bond is formed by the sharing of two pairs of electrons between two atoms. For example., Molecule of oxygen [O=O]
- A triple covalent bond is formed by the sharing of three pairs of electrons between two atoms. For example., Molecule of nitrogen [N≡N]
APPEARS IN
संबंधित प्रश्न
What would be the electron dot structure of carbon dioxide which has the formula CO2?
What is buckminsterfullerene?
Give the characteristic properties of covalent compounds.
Draw all possible structural formulae of the compound from its molecular formula given below.
C3H8
Draw all possible structural formulae of the compound from its molecular formula given below.
C3H4
Choose the correct answer from the options given below
Condition favorable for formation of a covalent bond is
Fill in the blank from the choice given in bracket.
The compound that does not have a lone pair of electrons is ___________. (Water, Ammonia, carbon tetrachloride)
State the type of bond formed when the combining atom has small E.N. difference.
Name the anion present in the following compound:
When a barium chloride solution is added to a solution of compound B, a white precipitate insoluble in dilute hydrochloric acid is formed.
Which of the following statements are usually correct for carbon compounds? These
- are good conductors of electricity
- are poor conductors of electricity
- have strong forces of attraction between their molecules
- do not have strong forces of attraction between their molecules.
