Advertisements
Advertisements
Question
What is buckminsterfullerene?
Solution
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.
APPEARS IN
RELATED QUESTIONS
What type of chemical bond is formed between carbon and bromine?
Write the electron-dot structure for the following molecule.
Cl2
What type of chemical bond is present in chlorine molecule? Explain your answer.
Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.
Draw the electron-dot structure of CO2 compound and state the type of bonding.
Draw the electron-dot structure of HCl compound and state the type of bonding.
Explain why, diamond is hard while graphite is soft (though both are made of carbon atoms).
The atomic numbers of four elements P, Q, R and S are 6, 10, 12 and 17 respectively. Which two elements can combine to form a covalent compound?
(a) P and R
(b) Q and S
(c) P and S
(d) R and S
What do you understand by polar covalent compounds?
Explain the following term with example.
Alkane
Explain the structure of Hydronium ion.
Draw the electron dot diagram and structure of magnesium chloride.
Name gas with rotten egg smell.
Define the functional group and complete the following table.
| S.I. No. | Functional Group | Compound | Formula |
| (1) | ______________ | _______________ |
C2H5OH |
| (2) | _______________ | _______________ | CH3CHO |
The number of electrons in the valence shell of a carbon atom is 4.
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
______ is an example of a covalent compound having a high melting point.
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
