Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Advertisements
उत्तर
Tetra amine copper [II] sulphate - `["Cu"("NH"_3)_4]"SO"_4`
APPEARS IN
संबंधित प्रश्न
Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)
Give the formula and valency of:
cupric ………………… .
Give the empirical formula of : Benzene C6H6
Give the empirical formula of Glucose C6H12O6 .
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Name the element in the compound and give the formula of the following compound:
Phosphoric acid
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Sodium plumbite
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Magnesium carbonate
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Iron [II] hydroxide
Write the formula of the following compound:
Silver [II] chloride
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
Find the valency of the element which is underlined in the following formula.
- NaCl
- CO2
- Al (PO4)
- Ba (NO3)2
- CaCl2
Which of the following represents a correct chemical formula? Name it.
BiPO4
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.
