Advertisements
Advertisements
Question
Give an example for each of the following statement.
Formation of coordinate covalent bond between NH3 ➝ BF3 molecules
Advertisements
Solution
NH3 ➝ BF3 is a compound formed by coordinate covalent bonding. Here one pair of electrons from ammonia molecule is shared with electron deficit boron trifluoride. This type of bonding is also known as Dative bond.

APPEARS IN
RELATED QUESTIONS
What is diamond? Of what substance is diamond made?
Describe the structure of graphite with the help of a labelled diagram.
Why are covalent compounds generally poor conductors of electricity?
An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.
(a) Name the element E.
(b) What is allotrope A.
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Give reason as to why hydrogen chloride can be termed as a polar covalent compound.
Draw the electron dot diagram and structure of nitrogen molecule.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Show the covalent bond formation in nitrogen molecule.
