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प्रश्न
What type of bonds are present in hydrogen chloride and oxygen?
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उत्तर
The chemical bond present in hydrogen chloride is a covalent bond. In hydrogen chloride, one electron each from hydrogen and chlorine are shared between the two atoms.
The chemical bond present in an oxygen molecule is covalent bond. In an oxygen molecule, each oxygen atom shares one electron to complete its outermost shell.
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संबंधित प्रश्न
What would be the electron-dot structure of carbon dioxide which has the formula CO2?
Give one example, state what are covalent compounds?
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give reason for your choice.
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(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(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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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 |
Answer the following questions based on the table above:
What type of bond is formed between Y and Z.
Draw an electron dot diagram to show the formation of the following compound.
Methane
Electrons are getting added to an element Y:
Is Y getting oxidised or reduced?
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Number of valence electrons in a carbon atom is _______.
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Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
Give an example for each of the following statement.
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______ is an example of a covalent compound having a high melting point.
