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प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
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उत्तर
Iron has variable valency 2 and 3
| \[\ce{Fe^{2+}}\] | \[\ce{Fe^{3+}}\] |
| Ferrous | Ferric |
OR
| \[\ce{Fe[II]}\] | \[\ce{Fe[III]}\] |
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संबंधित प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
State the type of element for the following:
potassium
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Bromine
State what is meant by the term ‘activity series of metals’.
Give the formula of the following acid:
Sulphuric
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
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).
Aluminate
Name three metals whose symbols are derived from the first letter of the name of the element.
State why the molecular formula of zinc carbonate is ZnCO3 .
