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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Acetate - M(CH3COO)3
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संबंधित प्रश्न
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Calcium
State the type of element for the following:
Zinc
State the type of element for the following:
Phosphorus
Write the chemical formula of the following:
aluminium chloride
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Iodide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Sulphate
How many elements are known at present?
What is the expansion of IUPAC.
