Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Magnesium bicarbonate
उत्तर
Magnesium bicarbonate - Mg[HCO3]2 - `"HCO"_3^(1-)`
APPEARS IN
संबंधित प्रश्न
Write the chemical formula of the Calcium oxide.
Write the chemical formula of the Copper nitrate.
Write down the formulae for the following compounds :
Calcium oxide
Write down the formulae for the following compounds :
Magnesium hydroxide
Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)
If the valency of carbon is 4 and that of sulphur is 2, work out the formula of the compound formed by the combination of carbon with sulphur. What is the name of this compound ?
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Give the formula and valency of:
aluminium ………………. .
Correct the following statement:
Formula of iron (lll) oxide is FeO.
The formula of the nitride of a metal X is XN, state the formula of :
- its sulphate
- its hydroxide.
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Calcium bisulphite
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Aluminium carbonate
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Copper [I] sulphide
Write the molecular formulae of all the compounds that can be formed by the combination of the following ions
Cu2+, Na+, Fe3+, C1– , `"SO"_4^-2`, `"PO"_4^3-`
Play a game for writing formula.
Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.
For example:
The formula for sodium sulphate:
2 sodium ions can be fixed on one sulphate ion.
Hence, the formula will be Na2SO4.
Do it yourself:
Now, write the formula of sodium phosphate.
