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प्रश्न
What do you understand by dipole (polar) molecule?
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उत्तर
A molecule that has both, slight positive and slight negative charge is called a Dipole molecule.
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संबंधित प्रश्न
Give one example of the following:
A molecule containing a double covalent bond.
What type of chemical bonds are formed by carbon? Why?
State any two uses of graphite.
What is the difference between ionic compounds and polar covalent compounds?
Give two example in following case:
Liquid non polar compounds
Explain the following briefly:
Sodium chloride dissolves in water but carbon tetra chloride is insoluble in water.
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
Taking MgCl2 as an electrovalent compound, CCl4 as a covalent compound, give four difference between electrovalent and covalent compounds
Number of valence electrons in a carbon atom is _______.
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.
