Advertisements
Advertisements
Question
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its nitride ?
Advertisements
Solution
Let us first work out the valency of the metal M (we know that carbonate ion has a valency of −2):
Element/Ion M `"CO"_3^(2-)`
It is clear that M has a valency of 1.
Formula of nitride of M:
Element / Ion M N3-
Valency 1 -3
Crossing the valencies, formula of the nitride of M is M3N.
APPEARS IN
RELATED QUESTIONS
What is the difference between 2H and H2 ?
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
Name the element in the compound and give the formula of the following compound:
Acetic acid
Name the element in the compound and give the formula of the following compound:
Blue vitriol
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium chloride
Write the formula of the following compound:
Iron [III] chloride
Write the formula of the following compound:
Iron [II] sulphate
Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
