Advertisements
Advertisements
Question
Give example.
Composite radicals
Solution
\[\ce{H3O^+, NH4^+, CO_3^2-, SO4^2-}\]
APPEARS IN
RELATED QUESTIONS
How many atoms are present in a PO43− ion?
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 symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Write the names of `"NH"_4"OH"` compounds :
Write the names of ZnS compounds :
State whether the following statements are true or false :
A chloride ion has negative charge because it has more electrons than a neutral atom.
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
What do you understand by the following terms?
Acid radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Ferrous sulphide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Calcium silicate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Nickel bisulphate
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Carbide
State if the following element or radical is divalent?
Permanganate
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: \[\ce{ClO_3^1-}\] |
Atoms that carry positive or negative charges are called ______.