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प्रश्न
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
उत्तर
carbon
Buckminsterfullerene is an allotropic form of the element carbon, and contains 60 carbon atoms joined in a spherical structure.
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संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
State the reason to explain why covalent compounds "are bad conductors of electricity".
Give appropriate scientific reasons for Carbon tetrachloride does not conduct electricity.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
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?
Give one example of a molecule containing a double covalent bond
What type of bond exist in CCl4?
What type of bond is present in oxygen molecule?
How buckminsterfullerene is it related to diamond and graphite?
A hydrocarbon having one double bond has 100 carbon atoms in its molecule. The number of hydrogen atoms in its molecule will be
(a) 200
(b) 198
(c) 202
(d) 196
The electronic configurations of two elements A and B are given below:
| A | 2, 6 |
| B | 2, 8, 1 |
(a) What type of chemical bond is formed between the two atoms of A?
(b) What type of chemical bond will be formed between the atoms of A and B?
Write answer as directed.
What causes the existance of very large number of carbon compound ?
Choose the correct answer from the options given below
Which one is not example of polar covalent compound?
Compare the compounds carbon tetrachloride and sodium chloride with regard to solubility in water and electrical conductivity.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What type of bond is formed between Y and Z.
Draw the electron dot diagram and structure of magnesium chloride.
What is the difference between :
Ionic compounds and covalent compounds
Discuss in brief about the properties of coordinate covalent compounds.
Cation is formed when ______.
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
