Advertisements
Advertisements
Question
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
Solution
Sodium thiosulphate
Acidic radical (S2O3)2-
Basic radical Na1+
Chemical formulae Na2S2O3
APPEARS IN
RELATED QUESTIONS
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Name the following radicals :
Cr2072
Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium ?
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
What is the difference between a cation and an anion ? Explain with examples.
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
Give example.
Bivalent acidic radicals
Complete the following table.
Acid Radicals `→` |
Chloride |
Nitrate |
Sulphate |
Carbonate |
Hydroxide |
Phosphate |
Basic Radicals `↓` |
||||||
Magnesium |
MgCl2 |
Mg(NO3)2 |
MgSO4 |
MgCO3 |
Mg(OH)2 |
Mg3(PO4)2 |
Sodium |
|
|
|
|
|
|
Zinc |
|
|
|
|
|
|
Silver |
|
|
|
|
|
|
Ammonium |
|
|
|
|
|
|
Calcium |
|
|
|
|
|
|
Iron (II) |
|
|
|
|
|
|
Potassium |
|
|
|
|
|
|
State if the following element or radical is divalent?
Dichromate