Advertisements
Advertisements
Question
Explain the structure of Ammonium ion.
Advertisements
Solution
Structure of Ammonium ion: Ammonium ion (NH4+) is formed when a hydrogen ion or proton combines with ammonia molecule. Nitrogen atom in ammonia has a lone pair of electrons on it which it shares with the hydrogen ion which tends to acquire the configuration of helium atom. Thus, a co-ordinate bond results between nitrogen atom and hydrogen ion in ammonium ion.
APPEARS IN
RELATED QUESTIONS
What type of bond is present in the following molecule?
H2
What type of bond is present in the following molecule?
O2
Why is graphite a good conductor of electricity but diamond is a non-conductor 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?
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)
Explain the following:
Covalent compounds have low melting and boiling point.
Choose the correct answer from the options given below
Which one is not example of polar covalent compound?
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the ______ and B at the ______ of the electrolytic cell.
When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula ______.
Cation is formed when ______.
