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प्रश्न
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
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उत्तर
Two chlorine atoms combine to form a molecule. The bond between them is known as a covalent bond.
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संबंधित प्रश्न
State the reason to explain why covalent compounds "have low melting and boiling points."
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
Give one example of a molecule containing a double covalent bond
What type of chemical bonds are formed by carbon? Why?
Draw the electron-dot structure of CO2 compound and state the type of bonding.
State the type of bonding in the following molecule.
Hydroxyl ion
Draw all possible structural formulae of compound from their molecular formula given below.
C3H8
Explain the following term with example.
Homopolymer
The covalent bond in which the electrons are shared equally between the combining atoms.
Explain the bonding in methane molecule using electron dot structure.
The number of electrons in the valence shell of a carbon atom is 4.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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Give an example for each of the following statement.
A compound in which three covalent bonds are formed.
When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula ______.
Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
______ is an example of a covalent compound having a high melting point.
It is observed that covalent compounds are had conductors of electricity. Give reason.
Show the covalent bond formation in nitrogen molecule.
In covalent compounds, the bond is formed due to ______ of electrons.
