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प्रश्न
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).
Bicarbonate
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उत्तर
| Name | Symbol | Ion | Valency |
| Bicarbonate | \[\ce{[HCO3]}\] | \[\ce{[HCO3]^{1-}}\] | −1 |
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संबंधित प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
State the type of element for the following:
Fluorine
State what is meant by the term ‘activity series of metals’.
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Give the formula of the following gas:
Nitrogen dioxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
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).
Nitrate
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).
Plumbite
