Advertisements
Advertisements
प्रश्न
State one major difference between covalent and ionic bonds.
Advertisements
उत्तर
| Covalent bonds | Ionic bonds |
| The chemical bond formed by the sharing of electrons between two atoms is known as a covalent bond. | The chemical bond formed by the transfer of electrons from one atom to another is known as an ionic bond. |
APPEARS IN
संबंधित प्रश्न
Write the number of covalent bonds in the molecule of butane, C4H10.
Name the type of bonds formed in ionic compounds and in the compounds formed by carbon.
What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur? (Hint – the eight atoms of sulphur are joined together in the form of a ring.)
What type of bond is present in oxygen?
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
Give one example, state what are covalent compounds?
Compare the properties of ionic compounds and covalent compounds.
What is diamond? Of what substance is diamond made?
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Water
Draw all possible structural formulae of compound from their molecular formula given below.
C3H8
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
In the liquid state, X will
Explain why Carbon tetrachloride does not dissolve in water.
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
![]() |
Write notes on the characteristics of covalent compounds.
State the reasons, why carbon cannot
- Lose four electrons to form C4+ cation and
- Gain four electrons to form C4- anion.
How does carbon overcome this problem to form compounds?
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]

