Advertisements
Advertisements
Question
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Advertisements
Solution
- O= 2
- OH = 1
- CO3 = 2
- Cl = l
APPEARS IN
RELATED QUESTIONS
How many atoms are present in a PO43− ion?
Write the names of `"HgO"` compounds :
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.
Basic radicals
Give example.
Bivalent acidic radicals
What do you understand by the following terms?
Basic radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Chromium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
State if the following element or radical is divalent?
Bisulphite
