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प्रश्न
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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उत्तर
HCl and NH3
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संबंधित प्रश्न
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Explain the bonding in methane molecule using electron dot structure.
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
Describe the structure of graphite with the help of a labelled diagram.
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
The type of bonding in X will be
Give an example of the covalent bond formed by
(i) Similar atoms (ii) Dissimilar atoms
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.
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
