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प्रश्न
List three characteristic properties of covalent compounds.
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उत्तर
The characteristic properties of covalent compounds are as follows:-
(i) They have low melting and boiling points.
(ii) They do not conduct electricity.
(iii) They are not soluble in water, but they dissolve readily in organic solvents.
संबंधित प्रश्न
What is a covalent bond?
What type of bond is present in oxygen molecule?
What is buckminsterfullerene?
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
Two non-metals combine with each other by the sharing of electrons to form a compound X.
(a) What type of chemical bond is present in X?
(b) State whether X will have a high melting point or low melting point.
(c) Will it be a good conductor of electricity or not?
(d) Will it dissolve in an organic solvent or not?
Explain the following term with example.
Covalent bond
Number of valence electrons in a carbon atom is _______.
The molecular masses of a carbon compound spread over a range of _______.
The number of pi-bonds present in benzoic acid molecule are ______.
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
