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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?
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उत्तर
In one molecule of buckminsterfullerene, 20 hexagons of carbon atoms are present.
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संबंधित प्रश्न
Explain the nature of the covalent bond using the bond formation in CH3Cl.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
Fill in the blank in the following sentence:
Two atoms of the same element combine to form a molecule. The bond between them is known as ................ bond.
What is the atomic number of carbon. Write its electronic configuration.
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
Draw the electron-dot structure of HCl compound and state the type of bonding.
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
Explain the Structural isomerism term with example.
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Explain the following:
Covalent compounds have low melting and boiling point.
Explain the following:
Polar covalent compounds are good conductors of electricity.
Name a neutral covalent molecule which contains one lone pair of electrons.
The molecule which contains a triple covalent bond is ______.
Electrons are getting added to an element Y:
Is Y getting oxidised or reduced?
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
The molecular masses of a carbon compound spread over a range of _______.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\phantom{......}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\ \phantom{.....}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C = C}\\\phantom{.....}|\phantom{.........}|\\ \phantom{.....}\ce{H}\phantom{........}\ce{H}\end{array}\] |
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
