Advertisements
Advertisements
प्रश्न
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] sulphur
Advertisements
उत्तर
Write the formula of
| Iron [III] sulphur | Symbol | Valency |
| Iron | \[\ce{Fe}\] | \[\ce{3^{+}}\] |
| sulphur | \[\ce{S}\] | \[\ce{2^{-}}\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Fe}^{3+}\] \[\ce{S}^{2-}\]
Step II – Interchange the valencies ignoring (+) and (−) signs.
The Formula is \[\ce{Fe2S3}\]
APPEARS IN
संबंधित प्रश्न
Write the molecular formula of the following compounds of Ammonia
Find the number and names of elements present in them and calculate their molecular masses.
Write the molecular formula for the oxide and sulphide of following elements of Sodium.
A solution of a substance ‘X’ is used for white washing.
(a) Name the substance ‘X’ and write its formula.
(b) Write the reaction of the substance ‘X’ named in (a) above with water.
Write the molecular formulae of Iron (III) chloride
Write the molecular formulae of Ammonium carbonate.
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 –
Copper [II] oxide
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] oxide
Complete the statement given below by filling in the blank with the correct word.
The formula of silver [I] chloride is ________.
Complete the statement given below by filling in the blanks with the correct words.
The valency of iron in FeO is _______ of chlorine [chloride] in CaCl2 is ________ and of dichromate in K2 Cr2 O7 is ________.
