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प्रश्न
Give one example of the following:
A molecule containing a double covalent bond.
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उत्तर
A molecule containing a double covalent bond is oxygen.
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संबंधित प्रश्न
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 would be the electron-dot structure of carbon dioxide which has the formula CO2?
Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.
What type of bonding would you expect between Carbon and Chlorine?
What type of bonding would you expect between Hydrogen and Chlorine?
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
Distinguish between ionic and covalent compounds under the following properties:
(i) Strength of forces between constituent elements
(ii) Solubility of compounds in water
(iii) Electrical conduction in substances
Explain the following:
Covalent compounds are generally gases or liquids or soft solids.
Choose the correct answer from the options given below
Which one is not example of polar covalent compound?
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
In the liquid state, X will
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
The molecule which contains a triple covalent bond is ______.
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
The bond between two oxygen atoms is _______ bond.
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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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.
The bond which is formed by the mutual sharing of electrons is called ______ bond.
What is a covalent bond?
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
Carbon can neither form C4- cation nor C4 anion. Why?
