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प्रश्न
Give an example for each of the following statement.
A compound in which three covalent bonds are formed.
उत्तर
Formation of nitrogen molecule (N2): Nitrogen molecule (N2) is formed by three covalent bonds where three pairs of electrons are shared between the two to achieve a stable configuration.
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संबंधित प्रश्न
Describe the structure of graphite with the help of a labelled diagram.
Define a coordinate bond and give the conditions for its formation.
The following structural formula belongs to which carbon compound?
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
Which of the following is a common characteristic of a covalent compound?
What is the difference between :
Ionic compounds and covalent compounds
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.
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
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
