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प्रश्न
Write two points of difference in the structures of diamond and graphite.
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उत्तर
| Sl.No | Structure of Diamond | Structure of Graphite |
| 1. | Each carbon atom is joined to four other carbon atoms by strong covalent bonds to form a regular tetrahedron. | Each carbon atom is joined to three other carbon atoms by strong covalent bonds to form flat hexagonal rings. |
| 2. | Compact and rigid structure (hard) |
Layered structure (soft) |
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संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
What type of chemical bonds are formed by carbon? Why?
How buckminsterfullerene is it related to diamond and graphite?
Explain why, graphite can be used as a lubricant but diamond cannot.
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
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What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
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Which element exhibits the property of catenation to maximum extent and why?
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol
Draw all possile structural formulae of compound from their molecular formula given below.
C4H10
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
Explain the following:
Water is a polar covalent molecule.
Fill in the blank and rewrite the completed statement:
Covalent compounds are generally soluble in _________ solvents.
Define the functional group and complete the following table.
| S.I. No. | Functional Group | Compound | Formula |
| (1) | ______________ | _______________ |
C2H5OH |
| (2) | _______________ | _______________ | CH3CHO |
Write scientific reason.
Benzene compounds are called aromatic compounds.
Write notes on the characteristics of covalent compounds.
Carbon can neither form C4- cation nor C4 anion. Why?
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
