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प्रश्न
What do you understand by lone pair?
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उत्तर
A pair of electrons which is not shared with any other atom is known as a lone pair of electrons.
For example: In NH3, Nitrogen has a lone pair of electrons which is not shared with any hydrogen atom.
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संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
Write any three features and give two examples of covalent compounds
State one test by which sodium chloride can be distinguished from sugar.
Name one covalent compound containing chlorine.
Draw the electron-dot structure of a hydrogen chloride molecule:
- Which inert gas does the H atom in HCl resemble in electron arrangement?
- Which inert gas does the Cl atom in HCl resemble in electron arrangement?
What is graphite?
Of what substance is graphite made?
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Which of the following compounds of carbon does not consist of ions?
