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प्रश्न
What do you understand by lone pair and shared pair?
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उत्तर
Lone pair: A pair of electrons which is not shared with any other atom is known as the lone pair of electrons.
For example in NH3, Nitrogen has a lone pair of electrons which is not shared with any hydrogen atom.
Shared pair: A pair of electrons which is shared with other atoms to form a bond is known as shared pair of electrons.
For example in HCl the pair of electrons responsible for bond formation between H and Cl is called shared pair.
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संबंधित प्रश्न
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Give one example of the following:
A molecule containing a double covalent bond.
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(a) What is element X?
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(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.
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Hydroxyl ion
The covalent bond in which the electrons are shared equally between the combining atoms.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
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What type of bond is formed between Y and Z.
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