Advertisements
Advertisements
प्रश्न
What is a covalent bond?
Advertisements
उत्तर
The chemical bond that is formed between two atoms by the sharing of electrons is known as a covalent bond.
APPEARS IN
संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
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.)
Explain the nature of the covalent bond using the bond formation in CH3Cl.
Name the following:
The property of element by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.
Fill in the following blank with suitable word:
The form of carbon which is known as black lead is ...........
Fill in the blank in the following sentence:
The number of single covalent bonds in C2H2 molecule are ...........
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
Explain why, diamond can be used in rock drilling equipment but graphite cannot.
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
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
State the type of bonding in the following molecule.
Ammonium ion
Give two example in following case:
Solid covalent compounds
Explain why Carbon tetrachloride does not dissolve in water.
Name a neutral covalent molecule which contains one lone pair of electrons.
Explain the following:
Polar covalent compounds conduct electricity?
Which of the following is the formula of Butanoic acid?
______ is an example of a covalent compound having a high melting point.
It is observed that covalent compounds are had conductors of electricity. Give reason.
Carbon can neither form C4- cation nor C4 anion. Why?
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
