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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 pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
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उत्तर
In one molecule of buckminsterfullerene, 12 pentagons of carbon atoms are present.
संबंधित प्रश्न
Why are most carbon compounds poor conductors of electricity?
What type of bond is present in the following molecule?
CH4
In forming N2 molecule, ______ electrons are shared by each atom of nitrogen.
The number of single covalent bonds in C2H2 molecule are ______.
What is the atomic number of carbon. Write its electronic configuration.
What is buckminsterfullerene?
Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.
- Give the name and formula of inorganic compound.
- Write the name and formula of organic compound formed.
will CCl4 conduct electricity or not?
give reason for your choice.
How will you find out which of the water soluble compound A or B is ionic?
Explain why, diamond is hard while graphite is soft (though both are made of carbon atoms).
Draw the electron-dot structure of the following compound and state the type of bonding in the given case:
N2
Explain why, diamond has a high melting point.
What is the difference between ionic compounds and polar covalent compounds?
Explain the following:
polar covalent compounds electricity.
State the type of bonding in the following molecule.
Ammonium ion
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Water
Choose and write the correct option.
Which type of carbon-carbon bonds are present in Vanaspati ghee?
Electrons are getting added to an element Y.
- Is Y getting oxidized or reduced?
- Which electrode will Y migrate to during the process of electrolysis?
Explain the following:
Water is a polar covalent molecule.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
Taking MgCl2 as an electrovalent compound, CCl4 as a covalent compound, give four difference between electrovalent and covalent compounds
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Write an Explanation.
Alkyne
Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
Give an example for each of the following statement
A compound in which two Covalent bonds are formed.
The number of pi-bonds present in benzoic acid molecule are ______.
Which of the following is the purest form of carbon?
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
Which of the following compounds of carbon does not consist of ions?
A molecule of ammonia (NH3) has
Which of the following are correct structural isomers of butane?
- \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}|\phantom{.....}|\\
\ce{H}\ce{H-C-H}\ce{H}\\
|\\
\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}\backslash\phantom{..}|\\
\phantom{....}\ce{H}\phantom{......}\ce{C - H}\phantom{}\\
\phantom{.......}|\\
\phantom{.......}\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\\
\end{array}\]
Which of the following compound(s) possesses a high melting point?
In covalent bond formation, the sharing of ______ electrons takes place in their outermost shell.
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]
