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प्रश्न
What is buckminsterfullerene?
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उत्तर
Buckminsterfullerene is an allotrope of carbon. It is a spherical shaped molecule containing 60 carbon atoms, arranged in interlocking 20 hexagonal and 12 pentagonal rings of carbon atoms.
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संबंधित प्रश्न
Butanone is a four-carbon compound with the functional group:
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
Name one covalent compound containing chlorine.
Describe the structure of graphite with the help of a labelled diagram.
The molecules having triple bond in them are:
(a) oxygen and ethyne
(b) carbon dioxide and ammonia
(c) methane and ethene
(d) nitrogen and ethyne
Two non-metals combine with each other by the sharing of electrons to form a compound X.
(a) What type of chemical bond is present in X?
(b) State whether X will have a high melting point or low melting point.
(c) Will it be a good conductor of electricity or not?
(d) Will it dissolve in an organic solvent or not?
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| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is:
(a) 2
(b) 5
(c) 3
(d) 4
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Give two example in following case:
Solid covalent compounds
Explain the following term with example.
Alkane
Choose and write the correct option.
Which type of carbon-carbon bonds are present in Vanaspati ghee?
Explain why Carbon tetrachloride does not dissolve in water.
State the type of bonding in the following molecule.
Water
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Methane
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which electrode will Y migrate to during the process of electrolysis?
What is the difference between :
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