Advertisements
Advertisements
Question
Write the chemical formula of the following compound in a step-by-step manner –
Copper [I] sulphide
Advertisements
Solution
Write the formula of
| Copper [I] sulphide | Symbol | Valency |
| Copper | \[\ce{Cu}\] | \[\ce{1^{+}}\] |
| Sulphide | \[\ce{S}\] | \[\ce{2^{-}}\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Cu}^{1+}\] \[\ce{S}^{2-}\]
Step II – Interchange the valencies ignoring the signs.
The Formula is \[\ce{Cu2S}\]
APPEARS IN
RELATED QUESTIONS
Write the molecular formula for the oxide and sulphide of following elements of Sodium.
The valency of aluminium is 3. Write the valency of other radicals present in the following compound.
Aluminium chloride
The valency of aluminium is 3. Write the valency of other radicals present in the following compounds of Aluminium oxide.
The valency of aluminium is 3. Write the valency of other radicals present in the following compounds of Aluminium nitride
Copper having electronic configuration 2,8,18,1 exhibits variable valency. Give a reason for the same and name the compound CuCI and CuCl2.
Write the chemical formula of the following compound in a step-by-step manner –
Potassium nitrate
Write the chemical formula of the following compound in a step-by-step manner –
Potassium sulphate
Write the chemical formula of the following compound in a step-by-step manner –
Potassium permanganate
Write the chemical formula of the following compound in a step-by-step manner –
Sodium zincate
Complete the statement given below by filling in the blank with the correct word.
The formula of silver [I] chloride is ________.
