Advertisements
Advertisements
प्रश्न
What is the atomic number of carbon. Write its electronic configuration.
उत्तर
The atomic number of carbon is 6.
Its electronic configuration is K L.
2 4
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable word:
The form of carbon which is known as black lead is ...........
will CS2 conduct electricity or not?
give reason for your choice.
What type of bonding would you expect between Carbon and Chlorine?
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
State any two uses of graphite.
The number of covalent bonds in pentane (molecular formula C5H12) is:
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?
Complete the following:
In case of non-polar covalent bond, the covalent bond is formed in the ______ of atoms and shared electrons are ______ distributed. (corner, middle, equally, unequally)
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
Explain the following term with example.
Unsaturated hydrocarbon
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
Explain why Carbon tetrachloride does not dissolve in water.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
What is the difference between :
Ionic compounds and covalent compounds
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Give an example of the covalent bond formed by
(i) Similar atoms (ii) Dissimilar atoms
Answer the following question.
What is methane? Draw its electron dot structure. Name the type of bonds formed in this compound. Why are such compounds:
(i) poor conductors of electricity? and
(ii) have low melting and boiling points? What happens when this compound burns in oxygen?
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]
