Advertisements
Advertisements
प्रश्न
Write the chemical formula of the following compound in a step-by-step manner –
Potassium nitrate
Advertisements
उत्तर
Write the formula of
| Potassium nitrate | Symbol | Valency |
| Potassium | \[\ce{K}\] | \[\ce1^+\] |
| Nitrate | \[\ce{NO3}\] | \[\ce1^-\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{K}^{1+}\] \[\ce{[NO3]}^{1-}\]
Step II – Interchange the valencies and ignoring the +ve and −ve signs
The Formula is \[\ce{KNO3}\]
APPEARS IN
संबंधित प्रश्न
Write the molecular formula for the oxide and sulphide of following elements of Calcium
Write the molecular formulae for the following compounds and name the elements present of Sulphuric acid
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 sulphate.
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 Calcium hydroxide.
Write the molecular formulae of Ammonium carbonate.
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 chloride
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 ________.
