Q3 of 56 Page 84

Write true or false for the following statements:

Iron shows valency of Fe2+ and Fe3+.

True

Iron shows variable valency. It shows valency of Fe2+ and Fe3+ simultaneously.


For example: In ferrous oxide: Fe2+ and in ferric oxide: Fe3+


Hence, the given statement is true.


More from this chapter

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1

Write true or false for the following statements:

Oxygen molecule exists in the form of three molecules as O2, O3 and O4.

 2

Write true or false for the following statements:

Sodium shows valency of Na+ and Na2+.

 4

Write true or false for the following statements:

The formulae of cupric oxide and cuprous oxide are CuO and Cu2O respectively.

 5

Write true or false for the following statements:

The elements having one valency are called monovalent.