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प्रश्न
Write the formula of the following compound:
Tetra amine copper [II] sulphate
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उत्तर
Tetra amine copper [II] sulphate - `["Cu"("NH"_3)_4]"SO"_4`
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संबंधित प्रश्न
Write down the formula of aluminium chloride.
Write the chemical formula of the Calcium carbonate.
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).
Give the formula and valency of:
cupric ………………… .
Fill in the blank:
Formula of iron (ill) carbonate is _____ .
Correct the following statement:
A molecular formula represents an element.
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Identify the following substance:
A brown gas D with the irritating smell.
Write the formula of the following compound:
Sodium dichromate
Write the formula of the following compound:
Sodium nitrite
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Magnesium chloride
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Lead [II] nitrate
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.
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
- Ammonia
- Carbon monoxide
- (Hydrogen chloride
- Aluminium fluoride
- Magnesium sulphide
