Advertisements
Advertisements
Question
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
Advertisements
Solution
Stannic oxide
Acidic radical O2-
Basic radical Sn2+
Chemical formulae SnO2
APPEARS IN
RELATED QUESTIONS
How many atoms are present in a PO43− ion?
What are polyatomic ions? Give examples.
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)
Write the names of `"NH"_4"OH"` compounds :
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Fill in the blank:
Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.
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?
Sulphite
Match the names of ions and radicals from 1 to 10 with their correct answer from A to Q.
| Column A | Column B |
| 1. Hypochlorite | A: Hg2+ |
| 2. Permanganate | B: \[\ce{MnO_4^1-}\] |
| 3. Plumbous | C: Sn4+ |
| 4. Zincate | D: Pb2+ |
| 5. Nitride | E: Sn2+ |
| 6. Mercuric | F: Pb4+ |
| 7. Stannic | G: \[\ce{SO_3^2-}\] |
| 8. Nitrite | H: N3- |
| 9. Sulphite | I: \[\ce{NO_2^1-}\] |
| 10. Dichromate | J: \[\ce{MnO_4^2-}\] |
| K: Hg1+ | |
| L: \[\ce{SO_4^2-}\] | |
| M: CIO1- | |
| N: \[\ce{ZnO_2^2-}\] | |
| O: \[\ce{Cr_2O_7^2-}\] | |
| P: \[\ce{CrO_4^2-}\] | |
| Q: \[\ce{ClO_3^1-}\] |
