Advertisements
Advertisements
Question
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
Solution
carbon
Buckminsterfullerene is an allotropic form of the element carbon, and contains 60 carbon atoms joined in a spherical structure.
APPEARS IN
RELATED QUESTIONS
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
Explain why covalent compounds have generally high melting points?
State one test by which sodium chloride can be distinguished from sugar.
Which inert gas does the Cl atom in HCl resemble in electron arrangement?
What type of bonding would you expect between Carbon and Chlorine?
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?
What is the difference between ionic compounds and covalent compounds?
State the type of bonding in the following molecule.
Hydroxyl ion
State the type of bonding in the following molecule.
Methane
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Ethene
Choose and write the correct option.
Which type of carbon-carbon bonds are present in Vanaspati ghee?
Name a neutral covalent molecule which contains one lone pair of electrons.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
Explain the following:
Polar covalent compounds conduct electricity?
Name the types of Hydrocarbons.
Number of valence electrons in a carbon atom is _______.
Write a short note.
Characteristics of carbon
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
A molecule of ammonia (NH3) has
`"CH"_3 - "CH"_2 - "OH" overset("Alkaline""KMnO"_4 + "Heat")(->) "CH"_3 - "COOH"`
In the above given reaction, alkaline KMnO4 acts as
