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प्रश्न
Define a coordinate bond.
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उत्तर
The bond formed between two atoms by sharing a pair of electrons, provided entirely by one of the combining atoms but shared by both, is called a coordinate bond.
संबंधित प्रश्न
Name a carbon containing molecule which has two double bonds.
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
Explain the following:
polar covalent compounds electricity.
Which element exhibits the property of catenation to maximum extent and why?
Distinguish between ionic and covalent compounds under the following properties:
(i) Strength of forces between constituent elements
(ii) Solubility of compounds in water
(iii) Electrical conduction in substances
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 |
Write answer as directed.
What causes the existance of very large number of carbon compound ?
Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
Number of valence electrons in a carbon atom is _______.
Which of the following compounds of carbon does not consist of ions?
