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प्रश्न
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety
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उत्तर
sixty
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is 60.
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संबंधित प्रश्न
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene?
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
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Write the name and formula of organic compound formed.
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(a) CO2
(b) O2
(c) C2H4
(d) C2H2
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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
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Explain the following term with example.
Unsaturated hydrocarbon
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Give an example for each of the following statement.
A compound in which three covalent bonds are formed.
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Which of the following statements are usually correct for carbon compounds? These
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- are poor conductors of electricity
- have strong forces of attraction between their molecules
- do not have strong forces of attraction between their molecules.
