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प्रश्न
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
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उत्तर
In forming an N2 molecule, three electrons are shared by each atom of nitrogen.
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संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
Give reason why carbon compounds are generally poor conductors of electricity.
Give appropriate scientific reasons for Carbon tetrachloride does not conduct electricity.
Name a carbon containing molecule which has two double bonds.
Which inert gas electron configuration do the Cl atoms in Cl2 molecule resemble? What is this electron configuration?
Give one example of a molecule containing a triple covalent bond.
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
Define a coordinate bond.
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
Explain the structure of Ammonium ion.
What do you understand by dipole (polar) molecule?
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the ______ and B at the ______ of the electrolytic cell.
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
Number of valence electrons in a carbon atom is _______.
From the following hydrocarbon _______ is the cyclic hydrocarbon.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
State the reasons, why carbon cannot
- Lose four electrons to form C4+ cation and
- Gain four electrons to form C4- anion.
How does carbon overcome this problem to form compounds?
Show the covalent bond formation in nitrogen molecule.
