Advertisements
Advertisements
प्रश्न
Give example.
Bivalent acidic radicals
उत्तर
S2- ,O2- ,Se2-
APPEARS IN
संबंधित प्रश्न
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Write the names of `"CuCo"_3` compounds :
Write the names of ZnS compounds :
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
Define ‘formula mass’ of a compound.
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
An element X has a valency of 2. Write the simplest formula for oxide of the element.
Give example.
Composite radicals
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 compounds.
Barium sulphate
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.
Sodium thiosulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Nickel bisulphate
Differentiate between the following with suitable examples- A basic radical and an acid radical
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
State if the following element or radical is divalent?
Permanganate
