Advertisements
Advertisements
प्रश्न
State if the following element or radical is divalent?
Dichromate
Advertisements
उत्तर
Dichromate element or radical is divalent.
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a PO43− ion?
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Write the names of `"ZnCl"_2 ` compounds :
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
Sodium ion 1+ Nitrate ion 1–
Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
- Sodium sulphide
- Copper nitrate
Give example.
Positive radicals
Give example.
Trivalent basic radicals
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
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?
Chromium
