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प्रश्न
Define a covalent bond.
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उत्तर
The chemical bond formed due to mutual sharing of electrons between the given pairs of atoms of non-metallic elements.
संबंधित प्रश्न
Give appropriate scientific reasons for Carbon tetrachloride does not conduct electricity.
Buckminsterfullerene is an allotropic form of the element:
Explain the following term with example.
Homopolymer
Explain why carbon tetrachloride does not dissolve in water.
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
The type of bonding in X will be ______.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Define the functional group and complete the following table.
| S.I. No. | Functional Group | Compound | Formula |
| (1) | ______________ | _______________ |
C2H5OH |
| (2) | _______________ | _______________ | CH3CHO |
Discuss in brief about the properties of coordinate covalent compounds.
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
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.
